Bugcrowd said the acquisition of Mayhem has nearly doubled its valuation — previously reported at over $1 billion.
The post Bugcrowd Acquires Application Security Firm Mayhem appeared first on SecurityWeek.
Apple Patches 19 WebKit Vulnerabilities
Apple has released iOS 26.1 and macOS Tahoe 26.1 with patches for over 100 vulnerabilities, including critical flaws.
The post Apple Patches 19 WebKit Vulnerabilities appeared first on SecurityWeek.
Ransomware Defense Using the Wazuh Open Source Platform
Ransomware is malicious software designed to block access to a computer system or encrypt data until a ransom is paid. This cyberattack is one of the most prevalent and damaging threats in the digital landscape, affecting individuals, businesses, and critical infrastructure worldwide.
A ransomware attack typically begins when the malware infiltrates a system through various vectors such as
A ransomware attack typically begins when the malware infiltrates a system through various vectors such as
Operation SkyCloak Deploys Tor-Enabled OpenSSH Backdoor Targeting Defense Sectors
Threat actors are leveraging weaponized attachments distributed via phishing emails to deliver malware likely targeting the defense sector in Russia and Belarus.
According to multiple reports from Cyble and Seqrite Labs, the campaign is designed to deploy a persistent backdoor on compromised hosts that uses OpenSSH in conjunction with a customized Tor hidden service that employs obfs4 for
According to multiple reports from Cyble and Seqrite Labs, the campaign is designed to deploy a persistent backdoor on compromised hosts that uses OpenSSH in conjunction with a customized Tor hidden service that employs obfs4 for
Zscaler Acquires AI Security Company SPLX
SPLX red teaming, asset management, and threat inspection technology will enable Zscaler to expand its Zero Trust Exchange platform.
The post Zscaler Acquires AI Security Company SPLX appeared first on SecurityWeek.
Android Update Patches Critical Remote Code Execution Flaw
The November 2025 Android patches resolve two vulnerabilities, both in the platform’s System component.
The post Android Update Patches Critical Remote Code Execution Flaw appeared first on SecurityWeek.
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 vulnerabilities is as follows –
The list of vulnerabilities is as follows –
CVE-2025-43429 – A buffer overflow
Hackers exploit critical auth bypass flaw in JobMonster WordPress theme
Threat actors are targeting a critical vulnerability in the JobMonster WordPress theme that allows hijacking of administrator accounts under certain conditions. […]
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, are said to have used the ransomware strain against a medical
Ryan Clifford Goldberg, Kevin Tyler Martin, and an unnamed co–conspirator (aka “Co-Conspirator 1”) based in Florida, all U.S. nationals, are said to have used the ransomware strain against a medical
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 malicious activities within the compromised
“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 malicious activities within the compromised