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An unreleased OpenAI cyber model found and exploited 948 distinct Linux kernel privilege escalation bugs for about $1.2 million.

More than 200 sites were seen serving phishing content to first-time visitors but not to those who revisit.

The incident comes after supermarkets in a number of European countries reported this week that their fridges and freezers warmed up after they were remotely hacked.

Cisco patched an RCE in UCS Central Software; WatchGuard fixed authentication and MitM flaws.

Every autonomous AI agent deployed across your enterprise today is a new proxy identity operating inside your perimeter.

Ryan Davis went from hacking his school’s network to running security at New Charter Technologies. What worries him now is shadow AI.

Tracked as CVE-2026-107441, the out-of-bounds write flaw could allow attackers to execute OS commands via crafted HTTP requests.

The large-scale watering hole campaign has been targeting entities in the US and Europe, mainly in Ukraine.

OpenAI says its Critical-rated cyber model met fewer hidden task goals when work was framed as AI safety research, often silently.

Sysdig’s platform uses runtime visibility to track AI agent actions and block risky behavior before it reaches production systems.

An authentication bypass and a command injection flaw can be chained for root access on Barracuda’s Email Security Gateway appliances.

The company will invest in agentic data security capabilities and expand its go-to-market organization.

Hackers have been harvesting AI access tokens and have been using AI-assisted offensive tools to automate attacks.

Linux Linux

An unreleased OpenAI cyber model found and exploited 948 distinct Linux kernel privilege escalation bugs for about $1.2 million.

Switch vulnerability exploited Switch vulnerability exploited

Tracked as CVE-2026-107441, the out-of-bounds write flaw could allow attackers to execute OS commands via crafted HTTP requests.

Russia APT Blizzard Russia APT Blizzard

The large-scale watering hole campaign has been targeting entities in the US and Europe, mainly in Ukraine.

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Hackers have been harvesting AI access tokens and have been using AI-assisted offensive tools to automate attacks.

Binance’s first incident report traces the record theft to a months-long campaign that compromised three engineers’ computers.

A $300,000 award went to a pre-launch flaw that exposed conversations and tokens on internal Muse test VMs used by Meta staff.

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The 2026 Virtual CISO Forum brings together CISOs, senior cybersecurity executives, practitioners, industry experts, and other security leaders to share practical experience and examine the issues shaping enterprise cybersecurity strategy.
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SecurityWeek’s CISO Forum 2026 Year-End Virtual Roundtable will reflect on a landmark year in security and discuss how to fortify your enterprise strategy for 2027.
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Vulnerabilities

Cybercrime

A vulnerability in Apache Qpid, the open source messaging system that implements the Advanced Message Queuing Protocol (AMQP), can be exploited by an authenticated attacker to cause the message broker process to crash.

With cyber criminals increasingly targeting third-party vendors to gain backdoor access to data at large, well-protected global organizations, security professionals need to rethink their vendor risk management practices. While performing questionnaire-based vendor risk assessments is a popular practice, this method is no longer sufficient to identify emerging risks associated with third-parties.

Officials at Park 'N Fly (PNF) have confirmed that it has been victimized in a data breach affecting payment card data processed through its e-commerce website. In a statement, the company said that the data compromise has been contained but remains under investigation.

The European Union Agency for Network and Information Security (ENISA) has published a new report on online privacy and data protection.The agency believes the key to protecting privacy, which has been declared a fundamental right, is to focus on privacy and data protection from the beginning of the design process.

Mozilla released Firefox 35 on Tuesday. In addition to new features, changes and fixes, the latest version of the popular Web browser addresses several critical vulnerabilities.

New York - The alleged mastermind of a vast online, global criminal enterprise that sold $200 million worth of drugs to customers all over the world went on trial in New York on Tuesday.

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