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The Federal Bureau of Investigation (FBI) said today it worked with industry partners to seize hundreds of domains associated with NetNut, a sprawling residential proxy service operated by the publicly-traded Israeli company Alarum Technologies [NASDAQ: ALAR].…
Google has significantly degraded NetNut, one of the biggest networks that turns home devices into rented relays for other people's traffic. Working with the FBI, Lumen, and others, Google's Threat Intelligence Group (GTIG) said this week it had reduced the ne…
Threat actors associated with the Anubis ransomware operation have been observed exploiting the Citrix Bleed 2 (CVE-2025-5777) vulnerability to obtain initial access. "Although tactics differ between affiliates, common patterns emerged in tradecraft through us…
This week’s security news is mostly about weak spots. Browsers, bots, sandboxes, AI systems, and email flows all show the same problem in different ways. Everything looks normal until someone tests a small gap and finds a way through. This is not one big break…
Court of Justice of the European Union (CJEU) has dismissed Google's final appeal against a €4.1 billion ($4.7 billion) antitrust fine over the company's use of Android to promote its Chrome browser and search service. [...]
Hackers are targeting NetScaler appliances using public PoC code to retrieve arbitrary memory content in the HTTP response. The post New CitrixBleed Vulnerability Exploited Immediately After Public Disclosure appeared first on SecurityWeek.
ConsentFix and ClickFix attacks steal Microsoft 365 tokens in seconds using fake prompts and OAuth flows. Learn how these MFA bypass tactics work and how to defend against them. [...]
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Jul. 1, 2026 – Watch the YouTube video For years, social engineering has been the most common and effective attack vector in cybersecurity, according to Doppel, developers o…
As AI-generated code becomes commonplace, CISOs need new audit strategies to measure developer practices, govern AI tool usage, and identify software risks before they reach production. The post How to Conduct a Successful Audit of AI-Driven Software Developme…
The threat actor known as ToddyCat has been attributed to a new malware called Umbrij that's designed to gain surreptitious access to a victim's email correspondence via the Google API. "In this campaign, the attackers focused their attention on corporate emai…
Infosecurity spoke with the researcher who dumped over 30 proof-of-concept exploits without disclosing the vulnerabilities first
Researchers say credentials harvested from hundreds of thousands of FortiGate firewalls are being used to facilitate ransomware attacks by the INC and Lynx operations. The post FortiBleed Campaign Linked to INC, Lynx Ransomware Attacks appeared first on Securi…
Microsoft has fixed a known issue causing the Copilot Chat or Copilot buttons in Classic Outlook to disappear for Windows users with the Copilot Chat (Basic) license. [...]
Bitdefender researchers warned of curious ransomware campaign which has targeted businesses around the world
Cisco confirmed that attackers are now exploiting a Unified Communications Manager (Unified CM) vulnerability patched in early June. [...]
Identity lifecycle management was architected around a person with an employment record, a manager, and a departure date. AI agents have none of those. As autonomous principals proliferate across enterprise environments, the governance model built for humans d…
Anthropic said Tuesday night that its AI model called Claude Fable 5 is now widely available. The post Trump Administration Lifts Restrictions on Anthropic’s Claude Models After Cybersecurity Alarm appeared first on SecurityWeek.
CISA warned on Wednesday that attackers have begun exploiting a high-severity Microsoft SharePoint remote code execution vulnerability patched in May. [...]
A PoC exploit has been available since public disclosure, and the first exploitation attempts were observed last week. The post Cisco Confirms In-the-Wild Exploitation of Unified CM Vulnerability appeared first on SecurityWeek.
Opera has introduced Paste Protect, a security feature designed to block ClickFix-style attacks that trick users into executing malicious commands through social engineering. [...]
Researchers show how context manipulation can cause agentic browsers to abandon safety guardrails and exfiltrate sensitive credentials. The post ‘BioShocking’ Attack Tricks AI Browsers Into Stealing Credentials appeared first on SecurityWeek.
CISA says threat actors are exploiting a recently patched SharePoint remote code execution vulnerability (CVE-2026-45659). The post CISA Warns of Actively Exploited Microsoft SharePoint Vulnerability appeared first on SecurityWeek.
The NCSC has shared best practice advice from pen testers which could help improve system resilience
Security firm Sysdig says it has found what it believes is the first ransomware attack run from start to finish by an AI agent. Its Threat Research Team calls the operator JADEPUFFER and says a large language model handled the whole job: breaking in, stealing…
A dual United States and Estonian citizen has been extradited to the U.S. to face charges alleging he was a member of the Scattered Spider hacking collective. [...]
A teenager accused of hacking as part of Scattered Spider has been arrested
The recently discovered financially-motivated FortiBleed campaign has been attributed to INC and Lynx ransomware operations, indicating that the verified, stolen credentials were intended for follow-on intrusions. "An operator tied to FortiBleed's infrastructu…
Attackers are hiding a data-stealing trojan inside fake exploit code aimed at the people who hunt bugs for a living. The malware, called ChocoPoC, travels in Python proof-of-concept (PoC) repositories on GitHub that claim to exploit hot new CVEs. Run one, and…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a high-severity flaw impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. The vulnerability, trac…
Healthcare device firm Medtronic is notifying affected customers about a data breach that exposed their personal data to an unauthorized third party. [...]
The massive FortiBleed credential theft campaign has been linked to the INC and Lynx ransomware operations, suggesting the stolen Fortinet credentials were intended to fuel future network intrusions. [...]
Kubota North America Corporation disclosed that hackers had access to some of its network systems for more than a month earlier this year. [...]
Multiple weaponized proof-of-concept (PoC) exploits on GitHub were found delivering a Python-based remote access trojan (RAT) named ChocoPoC that can execute commands and steal sensitive data in a campaign believed to target cybersecurity researchers. [...]
Argo CD, a widely used tool for deploying software to Kubernetes, has an unpatched flaw in its repo-server component that lets an unauthenticated attacker run code, provided they can reach the component's internal network port. Synacktiv, which found the bug,…
A teenager accused of belonging to the hacking group Scattered Spider has been extradited from Finland to face U.S. charges of conspiracy, computer intrusion, and fraud, the U.S. Department of Justice announced on July 1. Peter Stokes, 19, a dual U.S. and Esto…
Microsoft's new Teams admin policy requires organizer approval for external AI bots, giving organizations greater visibility and control over automated participants in sensitive meetings. The post Microsoft Adds New Teams Controls to Block Unauthorized AI Bots…
Unknown threat actors are leveraging the ScreenConnect remote access tool as a way to deploy and execute AsyncRAT. Kaspersky said the activity is part of a "massive, multi-domain, multi-language" campaign that distributes malicious installer archives hosted on…
The Department of Homeland Security is investigating a cyberattack that compromised the Homeland Security Information Network (HSIN), a sensitive information-sharing platform used by federal, state, local, and private-sector partners. [...]
Cybersecurity researchers have flagged a new multi-stage malware delivery attack chain that uses social engineering and Blogger pages to deliver an information stealer called PureLogs. The activity has been codenamed VEIL#DROP by Securonix. It's suspected that…
Modern phishing, business email compromise, and account takeover attacks increasingly exploit trusted identities and legitimate business workflows, making them harder for traditional email defenses to detect. This webinar explores how behavioral AI can help or…
An aggressive password-spraying campaign targeting Microsoft 365 environments generated more than 81 million login attempts over a two-week period. [...]
A Brazilian banking trojan called Ousaban is going after Windows users who bank in Spain and Portugal. Fortinet's FortiGuard Labs identified the campaign in May 2026. It opens with a phishing PDF disguised as a corrupted file, checks that the visitor is really…
Adobe has released patches for multiple maximum-severity security flaws impacting Adobe ColdFusion and Adobe Campaign Classic. The ColdFusion updates "resolves critical and important vulnerabilities that could lead to arbitrary code execution, privilege escala…
Two flaws in Cursor, an AI code editor, could let a single, ordinary-looking prompt break out of the editor's safety sandbox and run any command on a developer's computer. There is no click to fall for and no approval box to ignore. Cato AI Labs found the pair…
Securonix said the Veil#Drop campaign abuses Google Blogspot to deliver PureLog Stealer in memory
Threat intelligence is only as useful as the context behind it. Criminal IP explains how its integration enriches threat indicators in OpenCTI with risk scoring, infrastructure intelligence, and phishing analysis. [...]
A recently disclosed critical security flaw impacting Progress Kemp LoadMaster is seeing active exploitation attempts, according to an advisory from eSentire's Threat Response Unit (TRU). The Canadian cybersecurity company said it identified exploitation attem…
FortiGuard says the Brazilian banking trojan Ousaban is targeting Spain and Portugal via phishing
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Jul. 1, 2026 – Watch the YouTube video “Black Hat USA 2026 is where CISOs come to gain the intelligence and insights that inform the toughest decisions they make,” says Suzy…
Cybersecurity researchers have flagged a new malware artifact generated using DeepSeek that constructed a novel attack path combining "unrealistic browser-malware concepts with a real browser capability" to turn it into a working ransomware technique that runs…
Organizations have never had greater awareness of cyber risk. Yet turning that awareness into operational resilience has never been more challenging. The 2026 Bitdefender Cybersecurity Assessment confirms this is the case, as this year's findings reveal a seri…
Seven of the security defects have a maximum severity rating of 10/10 and could lead to arbitrary code execution. The post Adobe Patches Critical ColdFusion, Campaign Classic Vulnerabilities appeared first on SecurityWeek.
Citrix urges customers to patch NetScaler after fixing six vulnerabilities, including the HTTP/2 Bomb flaw and a high-severity CitrixBleed-style information disclosure bug. The post Citrix Patches NetScaler Vulnerabilities, Including New ‘HTTP/2 Bomb’ Attack a…
The new classifier in Fable 5 blocks the jailbreak technique that prompted the US export controls “in over 99% of cases”
Microsoft on Tuesday said it's accelerating its quantum safe security roadmap, stating technology advances in quantum computing are making it essential to replace existing encryption standards sooner than previously expected. "Advances in quantum research and…
Microsoft has brought forward its timelines for transitioning to post-quantum cryptography (PQC)
Aflac Japan has notified regulators that policy details and personal and banking information have been compromised
Large language models keep inventing web addresses that do not exist. Attackers have started buying those made-up domains before anyone else can, then hosting phishing pages on them to catch traffic that AI tools point their way. Palo Alto Networks' Unit 42 ca…
Anthropic is putting Claude Fable 5 back online worldwide. On June 30, the U.S. Commerce Department lifted the export controls it had imposed on Fable and its more tightly controlled sibling Mythos 5 about two and a half weeks earlier. Fable 5 returns to users…
Cybersecurity researchers have warned of a "massive, ongoing, automated password spray attack" aimed at Microsoft's Azure command-line interface (CLI), compromising dozens of accounts in the process. The activity, per Huntress, originates from an IPv6 address…
ClickFix, the trick that fools people into running malware by hand, has quietly grown a back office. New research shows the malicious commands behind its fake "prove you're human" pages are now handed out by API-driven servers that give each visitor the same m…
Citrix on Tuesday released security updates to address multiple flaws in NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) that could be exploited by an attacker to facilitate arbitrary file reads or trigger a denial-of-servic…
New Microsoft research shows how attackers can hijack AI agents that act on a user's behalf, using nothing more than a poisoned tool description to make the agent quietly hand over company data to an outsider. The trick is that the agent never breaks a rule. E…
A new two-stage malware family called RustDuck is hijacking home routers, IP cameras, Android boxes, and poorly secured servers, then stitching them into a network built to knock websites and online services offline. Researchers at QiAnXin's XLab have tracked…
Nissan says employees' data was stolen via the Oracle PeopleSoft zero-day campaign
Threat actors are continuing to exploit a critical Langflow vulnerability as part of fresh attacks designed to deliver a Monero cryptocurrency miner. The activity has been found to weaponize CVE-2026-33017 (CVSS score: 9.3), an unauthenticated remote code exec…
Cybersecurity researchers have flagged an active browser extension campaign that is designed to steal cryptocurrency by stealthily replacing wallet addresses when unsuspecting users initiate a transaction. The cryptocurrency clipper activity has been codenamed…
Attackers exploited a critical SimpleHelp RMM bug to deploy TaskWeaver and Djinn Stealer malware
The safety check that is supposed to stop an AI coding agent from running a dangerous command can be walked straight past using a shell trick that has been public for decades. New research from Adversa AI, which is named the bypass GuardFall, found it works ag…
Researchers tested 444 AI chatbot apps for iPhone and found that 282 of them, nearly two-thirds, exposed paid AI access through their network traffic. In many cases, the path in was visible just by watching what the app sent: a plaintext API key, a reusable to…
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Jun. 30, 2026 – Watch the YouTube video Anvilogic is on a mission to make advanced detection accessible to every security team, enabling them to detect across hybrid, multi-…
ReliaQuest report warns of a surge in ClickFix social engineering attacks against Windows and macOS users
The FIFA World Cup 2026 opened on June 11. By that date, according to Check Point Research, the fraud infrastructure targeting it had already been built, staged, and partially deployed. Threat actor activity was pre-planned, months out, across three sectors an…
An unknown threat actor has been observed exploiting a recently disclosed maximum-severity security flaw in SimpleHelp to deliver two previously unreported malware families, TaskWeaver and Djinn Stealer. The intrusion involves the exploitation of CVE-2026-4855…
A wave of phishing emails sent to Booking.com partner accommodations in Japan in May led to blockchain-hosted malware
SonicWall records 264,000 events in first five months of 2026 as UK hospitals come under siege
Two researchers have found six security flaws in AirDrop and Quick Share, the wireless features that beam files between nearby devices with no cables or shared network. An attacker within wireless range, with just a laptop and no prior connection, can crash th…
Convince an AI browser that it is playing a game, and it can hand over your login details. That is the finding behind BioShocking, a technique from security firm LayerX that tricked six AI browsers and assistants into copying a user's credentials and sending t…
Report Fraud data reveals that more than half of 323 UK ransomware victims last year were SMEs
A critical vulnerability in Progress Kemp LoadMaster can let an unauthenticated attacker execute arbitrary commands as root on the appliance by sending a crafted request to its API. The flaw, tracked as CVE-2026-8037, carries a CVSS score of 9.8 according to Z…
A critical security flaw impacting Oracle E-Business Suite has come under active exploitation in the wild, according to Defused Cyber. The vulnerability, tracked as CVE-2026-46817 (CVSS score: 9.8), refers to an improper privilege management and authentication…
WhatsApp on Monday officially announced the start of global reservations of usernames with an aim to protect the privacy of more than three billion users on the messaging platform. The optional feature is designed to help users connect with someone on the serv…
Microsoft has found a malicious Chrome extension that posed as the AI search engine Perplexity and quietly logged what people searched for. It routed every query and every character typed into the address bar through an attacker-controlled server before redire…
Apple on Monday released security updates for iOS, macOS, and the Safari web browser to address over three dozen flaws, including four vulnerabilities in WebKit that were discovered using artificial intelligence (AI) tools like Anthropic Claude and OpenAI Code…
The China-aligned espionage group Mustang Panda is running two campaigns against the Indian government and hydropower targets, deploying new malware and turning a legitimate cloud service into its command channel. Acronis Threat Research Unit found active comp…
OpenAI is previewing its GPT-5.6 Sol model to a vetted few at the US government's request
This week was a reminder that attackers do not always need big tricks. One small mistake, one old access path, one missed patch, and suddenly the door is open. The noise is not all noise, either. Forums are talking, researchers are finding easy cracks, and def…
Group-IB says Millenium RAT, now rewritten in C++, has hit 62,289 devices in 160+ countries
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Jun. 29, 2026 – Read the report Forrester forecasts that worldwide information security spending will reach $200 billion in 2026, while Gartner projects $240 billion for 202…
New findings unearthed by Infoblox show that more than 236,000 websites are using investment scam templates built using a legitimate Chinese open-source, cross-platform application development framework called DCloud Uni-App. The templates power bogus cryptocu…
Today’s encrypted data, such as credentials, may no longer remain confidential in the future because the public-key cryptography protecting it will soon be broken by quantum computers. Although no machine today can break elliptic curve cryptography or RSA, qua…
A Russian advanced persistent threat (APT) group has continued to evolve and expand its malware arsenal as part of its ongoing cyber onslaught against Ukraine throughout 2025. Slovakian cybersecurity company ESET said it observed 35 distinct spear-phishing cam…
An attacker has exploited a zero day in Oracle Peoplesoft to gain access to the IT systems of the NAIC, the standard-setting association for the US federal insurance system
Experts warn the Jaguar Land Rover breach bears hallmarks of Kremlin-backed hackers, citing novel ransomware, strategic timing and efforts to obscure attribution
Microsoft has shut down a long-running malicious extension operation on the Edge Add-ons store that hid its payloads inside ordinary image and font files, then woke up days after install to steal credentials and run ad fraud. The company calls it StegoAd, a ma…
The FBI claims Russian spies are targeting Signal backup keys
A public proof-of-concept is now out for CVE-2026-55200, a critical flaw in libssh2 that lets a malicious or compromised SSH server trigger memory corruption on a connecting client, with possible code execution. No credentials, no user interaction. The bug aff…
Cybersecurity researchers have uncovered two hijacked npm packages and a cluster of Go packages that are designed to deploy a Python-based information stealer on compromised Windows, Linux, and macOS hosts. "This attack avoids the most common npm execution pat…
The Security Service of Ukraine (SSU) said it, together with the U.S. Federal Bureau of Investigation (FBI), uncovered a long-running campaign orchestrated by Russian intelligence services to break into the messaging accounts of government officials, military…
OpenAI on Friday released three versions of GPT-5.6, called Sol, Terra, and Luna, as a limited preview to a small number of companies as part of an ongoing engagement with the U.S. government. While Sol is the latest flagship model and the most powerful, Terra…
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Jun. 26, 2026 – Watch the YouTube video The 2026 CISO Report from Cybersecurity Ventures in partnership with Sophos reports that in Jan. 2026, the U.S. Cybersecurity and Inf…
A China-linked threat group has been targeting critical infrastructure in Southeast Asia with a new custom backdoor called TinyRCT
The UK Cyber Monitoring Centre reviews the Canvas breach affecting 160 UK universities, highlighting data theft risks and financial impacts of cyber incidents
A high-severity flaw in Cisco Catalyst SD-WAN Manager disclosed in early June was exploited as early as March
Digital Citizens Alliance report claims that millions of Americans may have unwittingly had IP connections used by cybercriminals
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Jun. 25, 2026 – Listen to the podcast SlashGear reports that a hacker in Germany was stunned to find he had complete control of a robotic lawnmower. Weighing over 200 pounds…
Cobalt study finds 20-percentage-point drop in number of organizations relying solely on AI automation for testing
New CISA guidance shows federal agencies how to use SASE to move from legacy TIC 2.0 to zero trust
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Analysis of ransomware incidents by researchers at Black Kite found that attacks have risen by over 50% in the last year, with supply chain attacks increasing
LayerX tricked AI browsers including ChatGPT Atlas and Comet into bypassing their guardrails
Operation Endgame seized around 50 domains and nearly 200 active IP-based servers associated with the infostealers
SentinelLabs found a North Korea-linked macOS backdoor using prompt injection on AI triage tools
Customers of the affected Japanese email services are “strongly advised” to change their email passwords
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Jun. 24, 2026 – Read the full story from BreackLock AEV, BAS, and penetration testing each answer a different security question. Adversarial Exposure Validation (AEV) maps w…
An NCC Group report warns state-backed hackers are attempting to hide activity by posing as ransomware groups and deploying commercially available malware
New ReliaQuest study reveals the six ways AI is practically being used in attacks today
Public Accounts Committee (PAC) warns that museums and galleries aren’t getting enough government support on cyber
Two men pleaded guilty in the United Kingdom this week to criminal charges stemming from an August 2024 cyberattack that crippled Transport for London, the entity responsible for the public transport network in the Greater London area. The duo were key members…
JFrog found an npm package impersonating postcss-selector-parser to drop a multi-stage Windows RAT
OpenAI expanded Daybreak with a full GPT-5.5-Cyber release to help defenders patch software flaws
All US federal agencies will have to complete their post-quantum cryptography transition by 2031, according to a new Trump Executive Order
Cybercriminals launch fake GTA 6 pre-order sites offering early access for crypto payments
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Jun. 23, 2026 – Listen to the podcast Richard Seewald, founder and Managing Partner at Evolution Equity Partners, joins Steve Morgan, founder of Cybersecurity Ventures, for…
Two young British men have pleaded guilty to hacking Transport for London as part of a Scattered Spider plot
The Five Eyes Alliance has published a rare call to action for organizations facing AI threats
ESET details GentleKiller, the EDR-killer framework the Gentlemen ransomware gang gives affiliates
Apple BootROM exploit exposes unpatchable USB flaw on A12 and A13 devices
This week in cybersecurity from the editors at Cybercrime Magazine Sausalito, Calif. – Jun. 22, 2026 – Visit MidnightInTheWarRoom.com Cybersecurity Ventures predicted that cybercrime would cost the world $10.5 trillion in 2025, according to a post on Public Se…
North Korean threat actor Sapphire Sleet has been linked to a supply chain attack targeting Mastra, according to Microsoft security researchers
At least four cybersecurity firms confirmed they have been affected by a breach of business intelligence platform Klue via Salesforce integration
The UK’s data protection regulator the information commissioner has resigned after his position became “untenable”
The NCSC has released guidance for Fortinet customers impacted by the FortiBleed threat campaign
Working with frontier AI models, this new platform aims to help discovering, prioritizing, validating and remediating code vulnerabilities
SocGholish malware has been removed from 15,000 sites associated with Evil Corp hackers
Half of cybersecurity leaders lack confidence in detecting threats on Slack, Teams and other non-email platforms, despite growing attacker focus