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Google’s AI ‘Big Sleep’ Finds 5 New Vulnerabilities in Apple’s Safari WebKit

Google’s AI ‘Big Sleep’ Finds 5 New Vulnerabilities in Apple’s Safari WebKit

Google’s artificial intelligence (AI)-powered cybersecurity agent called Big Sleep has been credited by Apple for discovering as many as five different security flaws in the WebKit component used in its Safari web browser that, if successfully exploited, could result in a browser crash or memory corruption. The list of vulnerabilitiesRead More »Google’s AI ‘Big Sleep’ Finds 5 New Vulnerabilities in Apple’s Safari WebKit

U.S. Prosecutors Indict Cybersecurity Insiders Accused of BlackCat Ransomware Attacks

U.S. Prosecutors Indict Cybersecurity Insiders Accused of BlackCat Ransomware Attacks

Federal prosecutors in the U.S. have accused a trio of allegedly hacking the networks of five U.S. companies with BlackCat (aka ALPHV) ransomware between May and November 2023 and extorting them. Ryan Clifford Goldberg, Kevin Tyler Martin, and an unnamed co–conspirator (aka “Co-Conspirator 1”) based in Florida, all U.S. nationals,Read More »U.S. Prosecutors Indict Cybersecurity Insiders Accused of BlackCat Ransomware Attacks

Microsoft Detects “SesameOp” Backdoor Using OpenAI’s API as a Stealth Command Channel

Microsoft Detects “SesameOp” Backdoor Using OpenAI’s API as a Stealth Command Channel

Microsoft has disclosed details of a novel backdoor dubbed SesameOp that uses OpenAI Assistants Application Programming Interface (API) for command-and-control (C2) communications. “Instead of relying on more traditional methods, the threat actor behind this backdoor abuses OpenAI as a C2 channel as a way to stealthily communicate and orchestrate maliciousRead More »Microsoft Detects “SesameOp” Backdoor Using OpenAI’s API as a Stealth Command Channel

Malicious VSX Extension “SleepyDuck” Uses Ethereum to Keep Its Command Server Alive

Malicious VSX Extension “SleepyDuck” Uses Ethereum to Keep Its Command Server Alive

Cybersecurity researchers have flagged a new malicious extension in the Open VSX registry that harbors a remote access trojan called SleepyDuck. According to Secure Annex’s John Tuckner, the extension in question, juan-bianco.solidity-vlang (version 0.0.7), was first published on October 31, 2025, as a completely benign library that was subsequently updatedRead More »Malicious VSX Extension “SleepyDuck” Uses Ethereum to Keep Its Command Server Alive

How Software Development Teams Can Securely and Ethically Deploy AI Tools

To deploy AI tools securely and ethically, teams must balance innovation with accountability—establishing strong governance, upskilling developers, and enforcing rigorous code reviews. The post How Software Development Teams Can Securely and Ethically Deploy AI Tools appeared first on SecurityWeek.

CISO Burnout – Epidemic, Endemic, or Simply Inevitable?

CISO burnout is increasing. Are we simply more aware of the condition? Or have demands on the CISO grown and burnout is now the inevitable result?  The post CISO Burnout – Epidemic, Endemic, or Simply Inevitable? appeared first on SecurityWeek.

Claude AI APIs Can Be Abused for Data Exfiltration

An attacker can inject indirect prompts to trick the model into harvesting user data and sending it to the attacker’s account. The post Claude AI APIs Can Be Abused for Data Exfiltration appeared first on SecurityWeek.

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