Nonprofit security organization Shadowserver has found over 6,000 SmarterMail servers exposed online and likely vulnerable to attacks exploiting a critical authentication bypass vulnerability. […]
‘PackageGate’ Flaws Open JavaScript Ecosystem to Supply Chain Attacks
The protections against NPM supply chain attacks could be bypassed, leading to arbitrary code execution.
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Cyber Insights 2026: Quantum Computing and the Potential Synergy With Advanced AI
SecurityWeek’s Cyber Insights 2026 examines expert opinions on the expected evolution of more than a dozen areas of cybersecurity interest over the next 12 months. We spoke to hundreds of individual experts to gain their expert opinions. Here we explore quantum computing and its threat to current encryption, where the use of AI might shorten […]
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Chrome, Edge Extensions Caught Stealing ChatGPT Sessions
Marketed as ChatGPT enhancement and productivity tools, the extensions allow the threat actor to access the victim’s ChatGPT data.
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Have I Been Pwned: SoundCloud data breach impacts 29.8 million accounts
Hackers have stolen the personal and contact information belonging to over 29.8 million SoundCloud user accounts after breaching the audio streaming platform’s systems. […]
CTEM in Practice: Prioritization, Validation, and Outcomes That Matter
Cybersecurity teams increasingly want to move beyond looking at threats and vulnerabilities in isolation. It’s not only about what could go wrong (vulnerabilities) or who might attack (threats), but where they intersect in your actual environment to create real, exploitable exposure.
Which exposures truly matter? Can attackers exploit them? Are our defenses effective?
Continuous Threat Exposure
Which exposures truly matter? Can attackers exploit them? Are our defenses effective?
Continuous Threat Exposure
Organizations Warned of Exploited Linux Vulnerabilities
The flaws allow threat actors to obtain root privileges or bypass authentication via Telnet and gain shell access as root.
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Microsoft Patches Office Zero-Day Likely Exploited in Targeted Attacks
The vulnerability is tracked as CVE-2026-21509 and it can be exploited to bypass security features.
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Microsoft Office Zero-Day (CVE-2026-21509) – Emergency Patch Issued for Active Exploitation
Microsoft on Monday issued out-of-band security patches for a high-severity Microsoft Office zero-day vulnerability exploited in attacks.
The vulnerability, tracked as CVE-2026-21509, carries a CVSS score of 7.8 out of 10.0. It has been described as a security feature bypass in Microsoft Office.
“Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized
The vulnerability, tracked as CVE-2026-21509, carries a CVSS score of 7.8 out of 10.0. It has been described as a security feature bypass in Microsoft Office.
“Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized
New malware service guarantees phishing extensions on Chrome web store
A new malware-as-a-service (MaaS) called ‘Stanley’ promises malicious Chrome extensions that can clear Google’s review process and publish them to the Chrome Web Store. […]