AI coding agents hijacked using AGENTS.md file in Downloads folder
Researchers found a malicious AGENTS markdown instruction file in a customer's Downloads folder that tricked an AI coding agent into installing a rogue npm package. [...]
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Researchers found a malicious AGENTS markdown instruction file in a customer's Downloads folder that tricked an AI coding agent into installing a rogue npm package. [...]
Founded in 2025 by Unit 8200 alumni, Tel Aviv-based Mave uses AI agents to investigate alerts across existing security stacks. The post Former Unit 8200 Officers Raise $34 Million for Agentic SecOps Startup Mave appeared first on SecurityWeek.
OpenAI has announced plans to conduct frontier model training with no live internet access, as it resumes reinforcement learning (RL) training and internal inference of its most advanced AI models. "Based on the current state of alignment research, monitoring…
A new UEFI bootkit named BlackX, deployed in an espionage campaign in early 2026, exploited the old Baton Drop vulnerability to bypass Secure Boot and load a malicious driver designed to interfere with security solutions from Kaspersky and Avast. [...]
A memory-corruption flaw in Google's Brotli decoder sits in many programs that unpack Brotli-compressed data, among them Bun, the Python Brotli and brotlicffi packages, and Envoy proxies set up to decompress Brotli. Tracked as CVE-2026-111497, the flaw allows…
LiteLLM on Friday revealed that an Agent Platform master key accidentally published to a public GitHub repository in late May 2026 ultimately allowed the threat actor to push a malicious version of the popular Python package. "On May 27, 2026, a configuration…
Google has updated its privacy policy to spell out that using personalized artificial intelligence (AI) features in Search or Gemini could allow the company to serve targeted ads to users based on their activity on other connected Google services. "You may cho…
Between November 2025 and March 2026, the Dutch security firm Eye Security pushed more than 2 million updates to computers it did not own to switch off a background updater that it said could have allowed an outsider to take over the machine. The updater belon…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two vulnerabilities impacting Collabora Online Built-in CODE Server and Arista VeloCloud Orchestrator (VCO) to its Known Exploited Vulnerabilities (KEV), citing reports of active…
Researchers remotely disabled a vulnerable updater in the abandoned Time4Popcorn app, a fork of the Popcorn Time BitTorrent client, closing a security flaw that could have allowed attackers to execute malicious code with elevated privileges on millions of comp…
Microsoft has announced plans to add AI-powered phishing detection to Teams messages starting in early November 2026. [...]
Diplomatic organizations in Central Asia have been targeted by a sophisticated new Unified Extensible Firmware Interface (UEFI) bootkit called BlackX. The activity, which singled out diplomatic entities in Tajikistan, Uzbekistan, and Turkmenistan in early 2026…
Ruby has released versions 4.0.9, 3.4.12, and 3.3.13 to fix three bugs in Onigmo, the regular expression engine built into the language. The bugs lie behind four critical security flaws that GitLab patched over the past month. GitLab found that a specially cra…
Cybersecurity researchers have discovered an artificial intelligence (AI)-driven intrusion ecosystem run by affiliates of the INC and The Gentlemen ransomware groups. Central to the operation is an "Autonomous Red Team Kill Chain Framework" referred to as Phan…
Microsoft says Windows Server 2016 will stop receiving security updates after it reaches the end of support in January 2027. [...]
American clinical laboratory company Quest Diagnostics disclosed that patient records have been exposed after a threat actor gained unauthorized access to its Quanum LSM system. [...]
The PHP security team has shared mitigation measures for a new remote code execution vulnerability that affects systems with non-default configurations and has no patch. [...]
Noteworthy stories that might have slipped under the radar: Russia’s APT28 hit NATO defense firms, PingCAP source code stolen, ShinyHunters negotiator probe. The post In Other News: Tor Exit Relays Hijacked, Banks Spot Rogue AI Agents, Self-Rebuilding macOS Ra…
AI agents can be manipulated through malicious emails, websites, and plugins into executing commands, stealing data, or deleting files using their legitimate permissions. Gen Digital explains how its Agent Trust Hub helps protect agents through skill verificat…
Cybersecurity researchers have disclosed details of a large-scale campaign that has targeted exposed network edge devices such as Fortinet FortiGate and Palo Alto Networks GlobalProtect firewalls. "Artifacts from this investigation also indicate that operators…
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Oct. 23, 2026 – Read the Full Story in The Times of Israel Imagine a country without borders, universities, factories or an elected government. It manufactures almost nothin…
Hewlett Packard Enterprise (HPE) released security updates to patch 72 vulnerabilities in the Aruba Operating System (ArubaOS), including eight maximum-severity authentication bypass and code execution issues. [...]
Researchers tie PHP2Shell attempts to a Mirai botnet and show an ASLR bypass, but no successful compromise has been confirmed yet. The post Mirai Botnet Operators Join PHP2Shell Attacks as ASLR Bypass Exploits Emerge appeared first on SecurityWeek.
Japanese video games giant Capcom confirmed unauthorized access to its online account system
PHP has warned of another way an attacker could run code on a web server, two days after it shipped emergency fixes for the critical PHP2Shell flaws. The new issue, assigned CVE-2026-115560, affects only web applications configured in an unusual way, and PHP c…
The Russian state-sponsored hacking group Sandworm teamed up with another threat actor to carry out a destructive wiping attack targeting a Ukrainian logistics company last year. According to ESET, the attack involved UAC-0099 (aka Earth Sirrush) obtaining ini…
The state-sponsored hackers targeted hundreds of organizations and gained privileged access to some environments. The post China APT Uses AI Pentest Tool Artex in ConnectWise Attacks appeared first on SecurityWeek.
Security researchers identified attempts to access corporate networks which have been linked to a major Microsoft 365-targeted BEC campaign using phishing, stolen session tokens and social engineering
Kroll found that 69% of data breach victims in the past year were affected by a third-party breach, with attacks on tech companies the most common cause
The critical-severity SQL injection flaw allows attackers to access privileged internal functionality and gain operator privileges. The post Attackers Exploit Third Arista VCO Zero-Day in Four Months appeared first on SecurityWeek.
Pillow, the most widely used image library for Python, can be made to run operating system commands on a server by specifying the name of a file it is told to open. The flaw, CVE-2026-112900, is in the way Pillow handles EPS images, which it opens by passing t…
Malicious Brotli data can make an application on an official build of Node.js run attacker-supplied code, security researchers at Imperva have demonstrated. Their "Node2Shell" proof of concept ran code on the official Node.js 24.22.0 image for Linux arm64, wit…
AI agents paying for API calls with the x402 SDKs could sign a payment for their full balance of a supported token if a malicious API asked for it, security firm V12 said on October 22. The cause was the SDKs' default client, which set no spending limit until…
The hackers stole 11 million email addresses from CAPCOM ID and changed the login passwords for 196 accounts. The post 11 Million Impacted by Capcom Data Breach appeared first on SecurityWeek.
In a regulatory filing, Quest Diagnostics reported unauthorized access to its Quanum Lab Services Manager, a platform where certain clients can place test orders. The post Quest Diagnostics Data Breach Exposed ‘Certain Patient Records’ appeared first on Securi…
Hackers used compromised GitHub CLI OAuth tokens to push and approve malicious packages on PyPI and Docker. The post LiteLLM Compromised in Fresh Supply Chain Attack appeared first on SecurityWeek.
Atlassian’s October bulletin lists 176 vulnerability entries, including 14 critical-severity issues, all in third-party components. The post Atlassian Patches 75 Flaws in Data Center and Server Products appeared first on SecurityWeek.
Threat actors have been observed unsuccessfully attempting to exploit the newly disclosed PHP2Shell vulnerabilities to rope infected systems into a Mirai botnet variant called Potassium, as it emerges that weaponizing the flaws may be harder than previously th…
After a three-month lull, Prince of Persia hid a Tornado C&C server on US shared hosting, its first US-based server since 2016. The post Iran’s Prince of Persia APT Hosts C&C in US for First Time Since 2016 appeared first on SecurityWeek.
Cloud platform Railway published an urgent warning to users after detecting suspicious activity on its systems that store customer environment variables earlier this week. [...]
Japanese gaming giant Capcom has confirmed that hackers breached its membership service, CAPCOM ID, exposing more than 11.7 million customer email addresses and associated information. [...]
Hackers compromised the LiteLLM project's PyPI package and published malicious Docker images with a payload that steals credentials, secrets, and environment variables. [...]
Right now, there is probably an AI agent running on a laptop somewhere in your network. It stores API keys and database passwords, can access your internal systems, and works without anyone watching. Nobody reviewed its access. Nobody owns it. If an employee h…
Attackers are exploiting a zero-day SQL injection flaw in Arista's VeloCloud Orchestrator (VCO), the central management system for VeloCloud SD-WAN networks, the company said in an advisory on October 22. The flaw lets anyone who can log in to the orchestrator…
eMudhra, an Indian certificate authority (CA), will withdraw from its global SSL/TLS certificate business, its board decided on Thursday. The decision came five days after a researcher reported recovering the private keys of eight of its intermediate CA certif…
This week has already been rough for cybersecurity. Critical PHP and GitLab RCE flaws, serious Linux security bugs, compromised eMudhra certificates, a Node.js RCE flaw, a hacked LiteLLM release, and hundreds of hijacked Tor relays. That's a lot to deal with i…
Arista Networks released security updates to patch an actively exploited zero-day vulnerability affecting VeloCloud Orchestrator (VCO) On-Prem deployments. [...]
Linux servers running KSMBD, the kernel's built-in SMB server, are exposed to two publicly reported remote code execution flaws rated 9.0 by Trend Micro's Zero Day Initiative, with no fix yet in the mainline kernel. One of them, ZDI-CAN-33774, can be triggered…
Social media giant Meta was ordered to pay 25 billion in penalties by a New Mexico court on Wednesday as part of a data privacy lawsuit that sprang from the company's Cambridge Analytica data scandal, which came to light in 2018. According to multiple reports…
Microsoft says IT admins can re-enable the retired Exchange Web Services (EWS) API in Exchange Online to fix EWS apps that have stopped working. [...]
Attackers can steal credentials and begin exfiltrating data within minutes, often before security teams can respond. Exaforce examines real-world attacks involving stolen GitHub tokens, malicious AI installers, and MFA phishing, explaining why faster detection…
The EU Commission will assess whether Booking.com has adequately protected customers from phishing attacks
INTERPOL on Thursday announced that a coordinated law enforcement action has disrupted 10,909 malicious networks and recovered more than $105 million in illicit funds. In tandem, the effort saw law enforcement agencies from 21 countries arrest 1,462 suspects.…
Stealthy malware campaign by ‘Prince of Persia’ threat group targeting organisations worldwide discovered operating on American soil
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Oct. 22, 2026 – Watch the YouTube Video Where and how do chief information security officers (CISOs) find new cybersecurity vendors? Registering on vendor websites with thei…
Platform-as-a-Service (PaaS) provider Railway on Wednesday disclosed "anomalous activity" related to systems that store customer environment variables. Upon further investigation, the company found that an unauthorized third party may have gained access to enc…
Microsoft said it has observed threat actor activity in multiple ConnectWise customer environments, with the attackers leveraging the ARTEX agentic AI platform
A flaw in the OpenCode AI coding agent allowed a malicious or hijacked MCP server to run code on a developer's Windows or WSL machine when the developer signed in. OpenCode connects to MCP (Model Context Protocol) servers to add outside tools, and such code wo…
Threat intelligence analysts now observe large-scale evidence of exploitation of the two critical PHP vulnerabilities
LiteLLM on Wednesday disclosed that threat actors compromised "multiple independent security controls" to push a malicious version of the Python package containing a credential stealer and a backdoor. On October 21, 2026, LiteLLM's release pipeline was comprom…
Nearly all organizations now run production workloads in the cloud, but a new SANS survey found most have yet to achieve mature cloud security programs
Node.js released security updates on October 21 for its three supported release lines, 22.x, 24.x and 26.x, fixing 10 flaws. The most serious is a bug in the Brotli decompression code that Node.js bundles, which the project says can allow remote code execution…
A remote attacker who has not logged in can crash many HTTP/3 web servers with a single connection, security firm FoxIO disclosed, releasing working proof-of-concept code. By sending a small batch of compressed HTTP headers that expands in memory to a much lar…
Amazon's Threat Intelligence team on Wednesday said it detected an attempt to exploit the newly disclosed PHP2Shell vulnerabilities dating back to October 17, 2026, against its MadPot honeypot service, as the flaws come under broad exploitation in the wild fol…
Microsoft on Wednesday disclosed that a China state-aligned actor dubbed Storm-0940 was behind the recent supply chain compromise of the ConnectWise Cloud Backup application. During the incident, Storm-0940 used ARTEX, a Go-based agentic AI penetration testing…
GitLab released fixes on October 21 for a flaw that lets an attacker run code on a self-managed server without logging in, and it affects every version of the software going back to 7.0, released in 2014. The fix matters even for administrators who patched nin…
The popular LiteLLM Python package has been compromised as part of a software supply chain attack that delivered a credential stealer and a backdoor, according to reports from SafeDep, Socket, StepSecurity, and Upwind. The compromise affects LiteLLM 1.107.0, d…
OpenAI has revealed that two artificial intelligence (AI) agents powered by GPT-6.1 Sol and GPT-6 Astra weakened misalignment monitoring while making requested software changes during two internal coding tasks. The AI company said the incident took place on Oc…
Expect to see quite a few websites serving "404" or "Page Not Found" errors today: Nearly 70 percent of websites need to update their core software to fix a pair of vulnerabilities that allow an attacker to seize full control over affected servers. Experts say…
Researchers have uncovered Athena StealthRoute, a phishing-as-a-service platform featuring an AI Studio that generates phishing lures and decoy content designed to conceal attacks
PHP has released emergency updates that fix two critical flaws in the language itself, letting an attacker without an account run code on a web server. The fixes are in PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35, and the PHP team says only updating fully protects a…
Researchers at Symantec have uncovered an AI agent designed to operate a full cyber-attack without human intervention
Google on Tuesday said it's rolling out improved safeguards in its Chrome browser to secure users against ClickFix attacks when Enhanced Protection is enabled. ClickFix is a popular social engineering technique in which bad actors trick users into copying and…
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Oct. 21, 2026 – Read the Full Story in Fast Company Cybersecurity Ventures estimated that global cybercrime costs hit $10.5 trillion in 2025, and a World Economic Forum repo…
Cybersecurity researchers have disclosed details of a previously undocumented China-aligned threat cluster known as Bronze Sandcastle that has been observed targeting organizations in Asia and Africa since mid-2025. "The most distinctive technical marker for B…
Cybercriminal groups The Gentlemen and Qilin dominate ransomware attacks - and both are evolving their tactics in an attempt to outdo one another
Generative AI has changed what a malicious email looks like. Messages that once gave themselves away through clumsy wording, generic pretexts, and reused templates now arrive fluent, personalized, and unique to each recipient, and the behavioral signals email…
A new CISA advisory warns of the threat posed by SafePay to businesses and critical infrastructure, and urges defenders to take action to mitigate the group’s tactics
You cannot fully block the two critical PHP flaws called PHP2Shell before today's fix, and the one setting being passed around as a workaround is not enough on its own, the security firm that suggested it now says. PHP will release the fix at 14:00 UTC on Octo…
An AppSec team can point an AI agent running on a general-purpose model at its own web apps with little setup. Sure, the model writes the attacks. But everything that makes those attacks safe to run against production and worth acting on afterward lives in the…
Attackers took control of more than 300 Tor exit relays in early October and used them to redirect SSH connections to servers that stole login passwords, a researcher found. Exit relays are the last hop in a Tor circuit, where traffic leaves the network for it…
Two critical vulnerabilities in PHP were leaked one day before their scheduled disclosure and security patches
This story is developing and was written before PHP's scheduled 14:00 UTC release on October 21. Once the release is out, the affected and fixed versions below are confirmed by the official advisory. PHP will ship an out-of-cycle security release at 14:00 UTC…
The ICO has slammed security failings by the Welsh local government data unit and IT service provider following the 2024 incident
Unknown threat actors breached TeamUpdraft's website and potentially gained unauthorized access to customers' connection keys for UpdraftCentral, UpdraftVault, and UpdraftClone, using them to backdoor WordPress sites. TeamUpdraft is the developer behind Updraf…
U.S. federal civilian agencies must remove DeepSeek products from their information technology systems, along with any third-party products or services "developed using DeepSeek implementations," under a Department of Homeland Security order. They may also no…
State Bank of India has identified 3,897 customer records containing personal information in a set of about 375,000 records available on the dark web, and it does not yet know where the data came from. The state-owned bank, India's largest, said in a stock-exc…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, including four vulnerabilities impacting Plex Media Server that's collectively called Plex2Shell. The v…
A Belarus-aligned hacktivist group spent nearly two years within the network of a Russian healthcare organization. According to a report published by Russian cybersecurity firm Solar, the activity has been attributed to a threat cluster dubbed Partisan Zmiy, w…
The private keys of eight eMudhra intermediate certificate authority (CA) certificates are compromised, Mozilla and Google's Chrome Root Program confirms on October 20. An intermediate CA signs the certificates that websites present, so anyone holding one of t…
Cybersecurity researchers have released a proof-of-concept (PoC) exploit for a recently patched critical security flaw impacting Fortinet FortiSIEM that could result in arbitrary code execution. The vulnerability, tracked as CVE-2026-106173 (CVSS score: 9.4),…
Palo Alto Networks has disclosed that it's continuing to observe exploitation of a now-patched security flaw impacting PAN-OS and Prisma Access by ransomware actors. The activity relates to CVE-2026-0257 (CVSS score: 7.8), an authentication bypass flaw that co…
A new IANS report has found that despite the growth of the head of AI security role, accountability for AI governance in firms remains unsettled
A Chinese-speaking criminal pointed autonomous AI agents at company websites and let them break in with almost no help, and a security researcher watched it happen because the operators left their control panels open on the internet. The agents tried more than…
OpenCode silently patched a critical RCE flaw, leaving vulnerable users unaware of the security risk, researchers at Pillar Security warned
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Oct. 20, 2026 We recently reported that the award-winning Cybercrime Magazine has the no. 1 b2b focused cybersecurity channel with more than 1.3 million subscribers and many…
Rapid adoption of agentic AI comes with potential business benefits. But if done incorrectly it also carries risks around AI activity management and security
Siemens identified the activity to be from the Romulus multi-platform ClickFix campaign, with Siemens Software Center users urged to apply an update
Known exploited vulnerabilities take a median time of 87 days to be patched, according to a new Moody’s report
The 2024 cyber incident affected the healthcare data of 62 million people, who launched a class action lawsuit against the business services firm
U.S. federal investigators pursuing the ShinyHunters hacking group that recently stole highly sensitive data from the FBI have identified executives at two different ransomware negotiation firms who maintained unusually close relations with the extortion group…
A breach affecting the OpenCode Console may lead to the exposure of API keys for Anthropic, OpenAI and Google Gemini users
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Oct. 19, 2026 – Read the Full Story in Arab News Cybersecurity Ventures projected that global cybercrime damages would reach $10.5 trillion annually by 2025, up from $3 tril…
Cloud Backup, SaaS Security, and Cloud Management services offline as IT service provider investigates possibility that unknown attackers have full access to client environments via stolen tokens
CyberSN observed a particularly big dip in cybersecurity leadership positions such as CISO and Cybersecurity Director in 2026 compared to 2025
New report warns that threats of violence against employees of organizations hit by ransomware are on the rise as attackers find new ways to guarantee payments
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Oct. 16, 2026 – Read the Full Story in The Morning Global cybercrime expenses are expected to increase from $11 trillion USD by 2027 to $12.2 trillion by 2031, according to…
The suspected PRC-aligned group Armory Castle has been observed exploiting the newly disclosed flaw for long-term persistence
Several services of the US Bankruptcy Noticing Center are unavailable due to a cyber incident affecting defense contractor BAE Systems
France-based operators of Danfoss refrigeration controllers have sharply reduced their internet exposure after the October 11 cyber-attack
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Oct. 15, 2026 – Listen to the Podcast Episode It’s Cybersecurity Awareness Month (CAM) and Alissa (Dr Jay) Abdullah, PhD, SVP and Deputy Chief Security Officer at Mastercard…
Symantec warned that Aoki can steal API keys and tokens from a number of popular AI coding assistants, including Claude and Gemini
CVE-2026-35029 and CVE-2026-59823 affect LiteLLM, which is commonly used by enterprises to connect their AI applications to providers like OpenAI and Anthropic
Microsoft and partners reveal a major Chinese-language phishing network centered around the Yam Store marketplace
The ICO has handed the Metropolitan Police a reprimand and enforcement notice after privacy failings linked to the Auror platform
The United Kingdom has issued economic sanctions against Cryptomus, a chameleonic cryptocurrency platform that experts say serves as a major conduit for payments related to ransomware, narcotics, darknet markets, fraud and cybercrime services that are helping…
Researchers at Forescout said the discovery shows how ClickFix is evolving from a delivery technique into full-blown cyber-criminal infrastructure
Sausalito, Calif. – Oct. 14, 2026 – Hosted by Everfox. REGISTER NOW Join senior government, defense, and industry leaders for a day exploring how trusted mission data and operational AI are transforming national security. REGISTER NOW for Advantage 26 on Oct.…
Dashlane data finds that passkey adoption is growing but not quickly enough
At least two French supermarkets using temperature regulation devices from Dixell Electronics also experienced food stock disruptions
Microsoft issued its largest ever round of security updates in the October Patch Tuesday
New Chainguard research reveals larger companies struggle to patch vulnerabilities due to business priorities and operational disruption
Microsoft today issued updates to fix more than 1,400 security vulnerabilities in its Windows operating systems and other software. Today's epic patch batch dwarfs September's record of nearly 1,000 fixes, which was already about ten times the normal monthly p…
Several Europe-based retail firms have confirmed experiencing cyber incidents, while H&M said it is “investigating” such claims
Flashpoint research suggests that only 25% of security teams have actively deployed AI, with many concerned about AI Agents’ negative impact
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Oct. 13, 2026 – Grab Your Pass for GDC Festival of Gaming Cybercrime Magazine’s CTRL, ALT, HACKED Podcast media crew, hacker friends, CISOs, and Cybersecurity Pros will be a…
The government is planning tweaks to legislation, new incident response and more to head of AI security threats
Socura report claims CISOs are calling in sick or taking holiday to miss Patch Tuesday
Leaked documents suggest a multi-pronged operation, with social engineering and more technical attackers working together to manipulate a single target
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Oct. 12, 2026 – Read the full story in TradeFlock The toll of cybercrime on the global economy is staggering, estimated at $10.5 trillion annually, more than the total value…
The CEO of Cooperative U confirmed a cyber-attack affected the food stock in several stores from October 11
The FBI has arrested a Canadian cybersecurity executive as it continues its crackdown on ShinyHunters
ReliaQuest confirmed that the Qilin and Settra ransomware groups are actively exploiting a Palo Alto vulnerability patched in May
Daiichi Kosho says a supply chain breach has exposed personal data on over eight million karaoke customers