ADT Confirms Data Breach After ShinyHunters Leak Threat
ADT has confirmed a data breach after detecting unauthorized access to certain cloud-based environments on April 20, 2026. The home security company said the exposed…
Microsoft Fixes Entra Agent ID Administrator Flaw That Could Hijack Service Principals
Microsoft has fixed a Microsoft Entra Agent ID Administrator role issue that could let users take over service principals across a tenant. Silverfort researchers found…
OpenAI Launches GPT-5.5 Bio Bug Bounty to Test Universal Jailbreak Risks
OpenAI has launched a GPT-5.5 Bio Bug Bounty program to test whether advanced AI systems can resist universal jailbreaks in biology-related safety scenarios. The program…
Claude AI Agents Closed 186 Deals in Anthropic Marketplace Experiment
Anthropic says Claude AI agents successfully negotiated and closed 186 real-world deals in an internal marketplace experiment that tested how AI systems might buy and…
CISA Warns SimpleHelp Vulnerabilities Are Being Exploited in Attacks
CISA has warned that two vulnerabilities in SimpleHelp remote support software are now being exploited in attacks, adding both flaws to its Known Exploited Vulnerabilities…
New Windows RPC Vulnerability Lets Attackers Escalate Privileges to SYSTEM
A newly disclosed Windows RPC vulnerability called PhantomRPC can let attackers escalate privileges from low-privileged service accounts to SYSTEM or Administrator-level access. Kaspersky presented the…
Litecoin Zero-Day Bug Triggers DoS Attack and 13-Block Reorg After MWEB Exploit
Litecoin confirmed that a zero-day bug triggered a denial-of-service attack that disrupted major mining pools and forced a 13-block chain reorganization on April 25, 2026.…
73 Open VSX Sleeper Extensions Linked to GlassWorm Activate New Malware Campaign
The GlassWorm malware campaign has returned with a new wave of 73 sleeper extensions on the Open VSX Registry, showing how attackers are using patience…
Hackers Use Microsoft Teams Helpdesk Chats to Breach Organizations
A newly tracked threat group, UNC6692, is using Microsoft Teams chats, fake IT helpdesk support, and a custom malware suite to break into enterprise networks.…
Microsoft Teams Bug Blocks Some Windows Users From Joining Meetings After Edge Update
Microsoft is investigating a Teams issue that prevents some Windows users from joining meetings after a recent Microsoft Edge update introduced a regression. The incident…
November 21, 2025
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