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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.

Its multi-agent AI platform generates the telemetry an attack would produce to fix gaps in enterprise defenses.

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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CISO Forum Virtual Summit

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.
[November 10 & 11, 2026 | Virtual]

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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.
[December 2, 2026 | Virtual]

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SecurityWeek’s 2026 Zero Trust Summit will deep-dive into the world of digital identity management and the role of zero-trust principles and associated technologies
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Cybercrime

Lavabit, the secure email service that shut down in 2013 after the NSA requested access to Eduard Snowden's email account, is recommencing operations on a new secure end-to-end communications platform, Lavabit owner Ladar Levison announced on Friday.

Threat intelligence can play an important role in improving an organization’s overall cybersecurity posture, provided the right case is made and the right processes are put in place. In the past, I’ve addressed the topic of whether an organization should invest in a dedicated threat intelligence team or subscribe to a threat intelligence service.

In November 2016 Yahoo announced that it was cooperating with federal, state and foreign agencies, including the US Securities and Exchange Commission (SEC), who were seeking information on the data breaches also announced during 2016. In December, the SEC issued requests for relevant documents from Yahoo, and Yahoo is now reported to be under investigation.

A security researcher who took part in the Hack the Army bug bounty program managed to gain access to an internal Department of Defense (DoD) network from a public-facing Army recruitment website.

Symantec has revoked numerous wrongly issued certificates, including for domains such as example.com and test.com. This is not the first time the security firm’s certificate issuance practices have come under scrutiny.

A newly discovered family of ransomware is being offered via the Ransomware-as-a-Service (RaaS) business model, allowing cybercriminals to easily customize their own versions of the malware, researchers explain.

Global financial services company Western Union has admitted to facilitating wire fraud and it has agreed to forfeit $586 million as part of a settlement with the U.S. Federal Trade Commission (FTC) and the Department of Justice.

It’s a new year and while some things change, some things stay the same (or similar). There’s lots of FUD about the sophisticated cyber attacks that are multi-threaded and obfuscated. Certainly there are attacks that fall into this category, but if you look at all of the cybercrime activity from the past year, it’s clear that the majority of threats do not have the level of sophistication that is often talked about. 

Oracle has decided to give Java developers more time to ensure that their JAR files are not signed with the MD5 algorithm. Java Runtime Environment (JRE) will no longer trust these types of files starting with April 2017.

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