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OpenAI Expands Cyber Defense Program With GPT-5.4-Cyber Access for Trusted Organizations
OpenAI has officially launched the expanded phase of its Trusted Access for Cyber program. Granting select organizations access to its specialized GPT-5.4-Cyber...

Researcher Uses Claude Opus to Build a Working Chrome Exploit Chain
Amidst the heated debate surrounding Anthropic’s recent announcement of its Mythos and Project Glasswing models, a security researcher has demonstrated the tang...

Nexcorium-Associated Mirai Variant Uses TBK DVR Exploit to Scale Botnet Operations
A new iteration of the notorious Mirai botnet, dubbed Nexcorium, has emerged in the wild, aggressively targeting internet-connected video recording devices. Acc...

PoC Exploit Released for FortiSandbox Vulnerability that Allows Attacker to Execute Commands
A proof-of-concept (PoC) exploit has been publicly released for a critical vulnerability in Fortinet’s FortiSandbox product, tracked as CVE-2026-3980...
How NIST's Cutback of CVE Handling Impacts Cyber Teams
Industry and ad hoc coalitions appear poised to help fill the gap created by NIST's decision to cut back on CVE data enrichment....

Hackers Target TP-Link Routers With Mirai Malware in CVE-2023-33538 Exploitation Attempts
A known security flaw in several end-of-life TP-Link Wi-Fi routers is being actively targeted by hackers trying to install Mirai-based botnet malware on vulnera...
Every Old Vulnerability Is Now an AI Vulnerability
AI's danger isn't that it's creating new bugs, it's that it's amplifying old ones....
In Other News: Satellite Cybersecurity Act, $90K Chrome Flaw, Teen Hacker Arrested
Other noteworthy stories that might have slipped under the radar: ShinyHunters targets Rockstar Games, ShowDoc vulnerability exploited in the wild, and EPA to b...
Recent Apache ActiveMQ Vulnerability Exploited in the Wild
The remote code execution vulnerability tracked as CVE-2026-34197 came to light in early April. The post Recent Apache ActiveMQ Vulnerability Exploited in the W...

CISA flags Apache ActiveMQ flaw as actively exploited in attacks
CISA warned that attackers are now exploiting a high-severity Apache ActiveMQ vulnerability, which was patched earlier this month after going undetected for 13 ...
Cursor AI Vulnerability Exposed Developer Devices
An indirect prompt injection could be chained with a sandbox bypass and Cursor’s remote tunnel feature for shell access to machines. The post Cursor AI Vulnerab...
NIST Limits CVE Enrichment After 263% Surge in Vulnerability Submissions
The National Institute of Standards and Technology (NIST) has announced changes to the way it handles cybersecurity vulnerabilities and exposures (CVEs) listed ...
53 DDoS Domains Taken Down by Law Enforcement
Authorities in 21 countries participated in a coordinated action against DDoS-for-hire services. The post 53 DDoS Domains Taken Down by Law Enforcement appeared...

Recently leaked Windows zero-days now exploited in attacks
Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or elevated administrator permissions....
Apache ActiveMQ CVE-2026-34197 Added to CISA KEV Amid Active Exploitation
A recently disclosed high-severity security flaw in Apache ActiveMQ Classic has come under active exploitation in the wild, per the U.S. Cybersecurity and Infra...
NIST Revamps CVE Framework to Focus on High-Impact Vulnerabilities
The National Institute of Standards and Technology carved a new path for vulnerability remediation by changing the way it prioritizes software flaws....

Hackers exploit Marimo flaw to deploy NKAbuse malware from Hugging Face
Hackers are exploiting a critical vulnerability in Marimo reactive Python notebook to deploy a new variant of NKAbuse malware hosted on Hugging Face Spaces. [.....
Multiple Vulnerabilities in Google Chrome Could Allow for Arbitrary Code Execution
Multiple vulnerabilities have been discovered in Google Chrome, the most severe of which could allow for arbitrary code execution. Successful exploitation of th...
ThreatsDay Bulletin: Defender 0-Day, SonicWall Brute-Force, 17-Year-Old Excel RCE and 15 More Stories
You know that feeling when you open your feed on a Thursday morning and it's just... a lot? Yeah. This week delivered. We've got hackers getting creative in way...

Cisco says critical Webex Services flaw requires customer action
Cisco has released security updates to patch four critical vulnerabilities, including a fixed improper certificate validation flaw in the company's cloud-based ...