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Anthropic says Mythos 5.2 improves vulnerability discovery while showing a lower tendency to escape sandboxes in controlled tests.

Attackers could exploit the flaws for remote code execution, credential theft, and administrator account creation.

CISA has added CVE-2026-123218 and CVE-2026-116779 to KEV, urging federal agencies to patch them within three days.

France summoned the Iranian ambassador and said it would seek European sanctions against those responsible for the attack

The high-severity use-after-free in Chrome’s XML component was reported anonymously on November 6 and is already exploited in attacks.

Online fashion retailer Revolve has told regulators that the September cyberattack affected more than 1.5 million individuals.

Threat actors are exploiting the four-flaw chain to hack the Plex Media Server application on QNAP NAS devices.

Hackers compromised an external cloud service used by the shopping platform and may have stolen personal information from it.

Italian Foreign Minister Antonio Tajani said Saturday that his personal data had been disseminated on the dark web.

The initial exploitation attempts are attributed to botnets and crypto miners, but other threat actors are expected to follow suit.

Hackers stole personal, health, and insurance information, including Social Security numbers, from the company’s internal systems.

Frontline Education told Indiana regulators that its August data breach affected over 3 million school district staff and students.

Working with cryptographers, DeepMind’s AI agents cut the cost of forging RSA-1024 signatures and found a cheaper way to factor keys.

CISA KEV CISA KEV

CISA has added CVE-2026-123218 and CVE-2026-116779 to KEV, urging federal agencies to patch them within three days.

Chrome security Chrome security

The high-severity use-after-free in Chrome’s XML component was reported anonymously on November 6 and is already exploited in attacks.

SSH vulnerability SSH vulnerability

The initial exploitation attempts are attributed to botnets and crypto miners, but other threat actors are expected to follow suit.

Top Cybersecurity Headlines

Working with cryptographers, DeepMind’s AI agents cut the cost of forging RSA-1024 signatures and found a cheaper way to factor keys.

CVE-2026-19868 can let attackers holding credentials for a different login method get past SAML checks, including SAML-enforced MFA.

Rated Critical for cybersecurity, OpenAI’s new model beats GPT-5.6 Cyber at exploitation while staying in scope more reliably.

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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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Cerber, one of the most active malware families over the past year, has increased its share of the ransomware market to 87% in the first quarter of 2017, Malwarebytes Labs reports.

Facebook on Friday said it disrupted an international fake account operation that was firing off inauthentic "likes" and bogus comments to win friends it would then pound with spam. Facebook's security team spent six months fighting to neutralize what they saw as a coordinated campaign, according to Shabnam Shaik, a company security manager.

With deep roots in software solutions for process safety and asset reliability for industrial firms, Houston, TX-based PAS announced this week that it has taken a $40 Million investment that will be used to fuel its Industrial control system (ICS) cybersecurity business.

Finished Intelligence is the Output of Taking Threat Information, Evaluating it and Deriving a Business Benefit In the cyber threat intelligence space, there is confusion (much of which is driven by vendors)... where threat information is positioned as finished intelligence.

Vulnerabilities found by researchers in Bosch’s Drivelog Connect product can be exploited by hackers to inject malicious messages into a vehicle’s CAN bus. The vendor has implemented some fixes and is working on adding more attack protections.

A piece of malware used in targeted attacks aimed at South Korea and Japan is inflated with junk data in an effort to avoid detection. While the technique is not exactly new, researchers at Kaspersky Lab believe this particular malware is noteworthy.

While expected for some time, Microsoft this week ended support for its Windows Vista operating systems. The change entered into effect on April 11, the very same day Microsoft began rolling out Windows 10 Creators Update to its users.

F-Secure on Thursday published a report detailing the activities of Callisto, a threat actor whose primary goal appears to be intelligence gathering from entities interested in European foreign and security policy.

SAP this week released its April 2017 set of patches. The most important of the 15 security notes resolves a Very High priority (Hot News) vulnerability in TREX / BWA that could allow an attacker to execute commands on the affected system.

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