Skip to content
Wed, Oct 28, 2026
  • Instagram
CISO Brief

CISO Brief

Daily cyber & Tech News

  • Home
  • About
  • Contact

Category: Security Incidents

  • Home
  • Security Incidents
  • Page 13
Microsoft Copilot Cowork Vulnerability Enables Data Exfiltration via Email
Security Incidents

Microsoft Copilot Cowork Vulnerability Enables Data Exfiltration via Email

May 27, 2026
Security flaw allows attackers to steal OneDrive files through prompt injection and automated email messages…
Read More
GitHub Internal Repositories Breached via Poisoned VS Code Extension
Security Incidents

GitHub Internal Repositories Breached via Poisoned VS Code Extension

May 21, 2026
Employee device compromised through malicious Nx Console extension led to access of internal GitHub repositories.
Read More
Microsoft Disrupts Malware-Signing Service Used in Ransomware Attacks
Security Incidents

Microsoft Disrupts Malware-Signing Service Used in Ransomware Attacks

May 21, 2026
Fox Tempest threat actor exploited Microsoft's Artifact Signing system to deliver signed malware to thousands…
Read More
Microsoft disrupts illegal code-signing operation targeting thousands of US victims
Security Incidents

Microsoft disrupts illegal code-signing operation targeting thousands of US victims

May 20, 2026
Tech giant shuts down malware signing service used by ransomware groups to bypass security controls.
Read More
Cybercriminal Twins Arrested After Recording Microsoft Teams Call
Security Incidents

Cybercriminal Twins Arrested After Recording Microsoft Teams Call

May 16, 2026May 16, 2026
Law enforcement caught the siblings after they inadvertently recorded their criminal planning session.
Read More
Google adds spyware detection to Android security suite
Security Incidents

Google adds spyware detection to Android security suite

May 15, 2026
Intrusion Logging feature targets government surveillance tools in Advanced Protection Mode
Read More
Canvas Hack Victims Doubt Data Deletion Claims
Security Incidents

Canvas Hack Victims Doubt Data Deletion Claims

May 15, 2026
Security professionals question whether attackers actually deleted stolen student data as promised
Read More
Major Tech Giants Release Record Patch Volumes
Security Incidents

Major Tech Giants Release Record Patch Volumes

May 15, 2026May 15, 2026
AI vulnerability detection drives unprecedented security update releases from Apple, Google, Microsoft, Mozilla and Oracle.
Read More
Cisco Cuts 4,000 Jobs Despite Record Revenue
Security Incidents

Cisco Cuts 4,000 Jobs Despite Record Revenue

May 15, 2026May 15, 2026
Networking giant eliminates nearly 4,000 positions while reporting record quarterly earnings and increased AI investment.
Read More
WhatsApp Launches Private Meta AI Chat Feature
Security Incidents

WhatsApp Launches Private Meta AI Chat Feature

May 14, 2026May 14, 2026
New Incognito Chat mode promises conversations with Meta's AI chatbot remain inaccessible to the company…
Read More

Posts pagination

Previous 1 … 12 13 14 Next

Newsletter

Signup to receive daily news brief

Daily cyber & AI news delivered to your inbox at 7:00am US central time. No spam!

Check your inbox or spam folder to confirm your subscription.

Recent Posts

  • GMO Internet Puts $1 Million on the Table to Identify Attackers Behind FX Trading Cloud Breach
  • EPICS Base Vulnerabilities Expose Critical Manufacturing Infrastructure to Remote Code Execution
  • University of New Mexico Health Sciences Centre Hit by Cyberattack, Classes Cancelled for Second Day
  • Prompt Injection Attack Exploits AI Coding Assistants via Local Instruction Files
  • CISA Confirms PHP2Shell Vulnerabilities Are Being Actively Exploited

Categories

  • AI & Security
  • Government Advisory
  • Policy & Advisories
  • Research & Analysis
  • Security Incidents
  • Vulnerabilities

Archives

  • October 2026
  • September 2026
  • August 2026
  • July 2026
  • June 2026
  • May 2026
Copyright © 2026 CISO Brief | Privacy Policy | Published with help from AI. Sources referenced on each post.