SecurityWeek
970,000 Medi-Cal Members Affected by Paradigm Healthcare Data Breach
Paradigm Healthcare Services detected an intrusion in October 2025, but it took nearly a year to start notifying affected individuals.
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Siemens Software Center Vulnerability Exploited in ClickFix Malware Attacks
Attackers paired a genuine, signed copy of Siemens Software Center with malicious DLLs to infect Windows PCs via ClickFix lures.
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Drupal Warns of Fast Exploitation Risk for Critical Core RCE Flaw
Critical flaws impact the Entity List and Field UI modules, and exploit paths exist with contributed modules.
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Rank Math PRO WordPress Plugin Compromised in Supply Chain Attack
Hackers injected malware into Rank Math PRO version 3.0.123 packages distributed between October 15 and October 16.
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ConnectWise Suspends Cloud Services in Response to Cyberattack
The services remain unavailable as the company continues remediation and security validation.
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Plex2Shell Exploit Chain Weaponized Against Plex Servers Hours After Disclosure
Threat actors have been observed delivering cryptocurrency miners and proxy software.
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One Compromised Login Exposed Millions of California Students’ Records
Intruders used compromised credentials to access an ETS SFTP server, copying records of California students back to 2006.
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Exploited Fortinet Bug Linked to Stealthy FortiGate Implant in Telecom Hack
The persistent, stealthy FortiGate implant was deployed against a telecommunications organization.
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MITRE ATT&CK v20 Catalogs AI Abuse, MFA Bypass, Water Utility Attacks
Defenders get 15 new detection strategies, six for Enterprise and nine for ICS, backed by 38 analytics.
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Anthropic Acquires Confidential AI Startup Opaque Systems
Opaque Systems has developed technology that lets AI systems use sensitive data while keeping it protected by the underlying hardware.
The post Anthropic Acquires Confidential AI Startup Opaque Systems appeared first on SecurityWeek.
US Cybersecurity Job Postings Fall 26% as AI Security Engineer Demand Soars
CyberSN’s Cybersecurity Jobs Report provides visibility into the US cybersecurity job market. It’s a mixed bag.
The post US Cybersecurity Job Postings Fall 26% as AI Security Engineer Demand Soars appeared first on SecurityWeek.
Israeli Ad Firm Doubled as Candiru’s Zero-Click Spyware Delivery Channel
Israeli company Discover-Tech’s ads allow threat actors to fingerprint and track devices at scale and infect selected targets.
The post Israeli Ad Firm Doubled as Candiru’s Zero-Click Spyware Delivery Channel appeared first on SecurityWeek.
In Other News: ICS-Sniper Attack, Hacking XWorm Malware Operators, $250k Chrome Exploit
Noteworthy stories that might have slipped under the radar: BofA adds 1,000 patching contractors, KGB RAT pairs data theft with jump scares, and Langflow flaw under attack.
The post In Other News: ICS-Sniper Attack, Hacking XWorm Malware Operators, $250k Chrome Exploit appeared first on SecurityWeek.
BAE Systems Security Incident Stalls Notices From US Bankruptcy Courts
A cyber incident affecting contractor BAE Systems has knocked out the Bankruptcy Noticing Center, halting notices nationwide for a week.
The post BAE Systems Security Incident Stalls Notices From US Bankruptcy Courts appeared first on SecurityWeek.
Chinese APT Exploited BeyondTrust Vulnerability as Zero-Day
Armory Castle exploited CVE-2026-102764 for initial access, deployed custom tools, and deleted logs and artifacts.
The post Chinese APT Exploited BeyondTrust Vulnerability as Zero-Day appeared first on SecurityWeek.
OpenAI Models Hacked Data Portals, Raided a Crypto Wallet to Finish Tasks
Left without funds for a coding task, an OpenAI model spent test crypto from a stranger’s wallet and left it out of its report.
The post OpenAI Models Hacked Data Portals, Raided a Crypto Wallet to Finish Tasks appeared first on SecurityWeek.
F5, Juniper Networks Patch Critical Vulnerabilities
Successful exploitation of some of these issues could lead to remote code execution and full device takeover.
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Microsoft Patches Two Dozen RCE Flaws in Office
In addition to RCE flaws, Microsoft fixed multiple information disclosure bugs and a security bypass issue in Office.
The post Microsoft Patches Two Dozen RCE Flaws in Office appeared first on SecurityWeek.
Proofpoint Inks $6.3 Billion All-Cash Deal to Acquire Varonis
The Thoma Bravo-owned Proofpoint will acquire Varonis in an all-cash transaction and Varonis will become a private company.
The post Proofpoint Inks $6.3 Billion All-Cash Deal to Acquire Varonis appeared first on SecurityWeek.
Context Is King in the Fight Against Modern Cyberattacks
Contextual defense helps security teams connect the signals, anticipate what comes next, and stop threats before they escalate.
The post Context Is King in the Fight Against Modern Cyberattacks appeared first on SecurityWeek.
