Researchers found adware capable of killing cybersecurity products and pushing more dangerous payloads to infected systems. The post $10 Domain Could Have Handed Hackers 25k Endpoints, Including in OT and Gov Networks appeared first on SecurityWeek.
This article on the walls of Constantinople is fascinating. The system comprised four defensive lines arranged in formidable layers: The brick-lined ditch, divided by bulkheads and often flooded, 1520 meters wide and up to 7 meters deep. A low breastwork, about 2 meters high, enabling defenders to fire freely fromRead More »Defense in Depth, Medieval Style
Congress is set to take up the reauthorization of a divisive program that lets U.S. spy agencies pore over foreigners’ calls, texts and emails. The post Trump Urges Extending Foreign Surveillance Program as Some Lawmakers Push for US Privacy Protections appeared first on SecurityWeek.
Microsoft on Tuesday released updates to address a record 169 security flaws across its product portfolio, including one vulnerability that has been actively exploited in the wild. Of these 169 vulnerabilities, 157 are rated Important, eight are rated Critical, three are rated Moderate, and one is rated Low in severity. Ninety-three of the flaws are
Siemens, Schneider Electric, Aveva, Rockwell Automation, ABB, Phoenix Contact, Mitsubishi Electric, and Moxa patched vulnerabilities. The post ICS Patch Tuesday: 8 Industrial Giants Publish New Security Advisories appeared first on SecurityWeek.
OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model, GPT‑5.4, that’s specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled its own frontier model, Mythos. “The progressive use of AI accelerates defenders – those responsible for keeping systems, data, and users safe – enabling them to findRead More »OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams
Microsoft today pushed software updates to fix a staggering 167 security vulnerabilities in its Windows operating systems and related software, including a SharePoint Server zero-day and a publicly disclosed weakness in Windows Defender dubbed “BlueHammer.” Separately, Google Chrome fixed its fourth zero-day of 2026, and an emergency update for AdobeRead More »Patch Tuesday, April 2026 Edition
Experts say this is the second-largest Microsoft Patch Tuesday ever based on CVE count. The post Microsoft Patches Exploited SharePoint Zero-Day and 160 Other Vulnerabilities appeared first on SecurityWeek.
Critical ColdFusion vulnerabilities are the most at risk of being exploited in attacks, according to the software giant. The post Adobe Patches 55 Vulnerabilities Across 11 Products appeared first on SecurityWeek.
Venice’s hydraulic pump system was hacked.
