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Given that the browser is where business apps are accessed and used, it makes sense that attacks are happening there too. Most breaches today begin in a browser session. Often, they never leave it, with the entire attack chain from initial access to exfiltration playing out in the browser. Here are the six most dangerous techniques that should be on every...
AI coding agents asked to share screenshots of code changes for review have put internal company images in public GitHub repositories, security company Glow said. Its researchers found more than 13,000 internal images from developers at over 300 organizations, including customer billing records and screens of features not yet released. In most cases, they...
Attacks by autonomous AI agents are moving out of the lab and into the courtroom, raising unsettled questions about who is liable for what agents do. The post Anthropic Flags AI Agent Liability Risks as OpenAI Faces Hacking Lawsuit appeared first on SecurityWeek.
Cryptocurrency exchange Bitget revealed today that attackers who stole $387.5 million last week breached its systems after exploiting a zero-day flaw in third-party security products. [...]
The state-sponsored group has launched larger-scale phishing campaigns to deploy the CosmicPulse backdoor. The post Russian APT Star Blizzard Uses ‘RedFlick’ Infection Chain in Recent Attacks appeared first on SecurityWeek.
ANY.RUN researchers traced a US-focused CSuite phishing campaign across 351 sandbox analyses, with 51% of submissions coming from the United States. Technology, manufacturing, government, and consulting organizations showed the highest exposure. By combining Microsoft 365 session theft with remote-access tool deployment, CSuite can turn a phishing inciden...
In the wake of a suspected leader’s arrest, ShinyHunters says it never intended to publish data stolen from the FBI. The post ShinyHunters Defiant After FBI Calls on Members to Come Forward appeared first on SecurityWeek.
Unknown threat actors have been observed exploiting a newly patched security flaw in Citrix NetScaler ADC and NetScaler Gateway appliances to target organizations in North America and Europe. The activity, observed by Mandiant Consulting and Google Threat Intelligence Group (GTIG) in September 2026, has targeted government, financial services, technology,...
A High-severity OpenSSL flaw can leak heap memory to the other side of a DTLS connection or crash the program, OpenSSL said on September 29 as it released fixes. DTLS, the TLS variant used for UDP traffic, resends a handshake message if no reply arrives before the timer expires. The leak or crash can happen when such a resend starts while a larger handsha...
As aviation infrastructure suffers more cyberattacks, air traffic systems are the latest target, with a ransomware toolkit installed on at least one operational network.
Roughly a dozen vulnerabilities have been patched in each of the open source cryptographic libraries. The post High-Severity Vulnerabilities Patched in OpenSSL, WolfSSL appeared first on SecurityWeek.
Cybersecurity researchers have disclosed technical details of a recently patched critical security flaw in Citrix NetScaler ADC and Gateway that has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-88772 (CVSS score: 9.5), has been described as a memory overflow bug in the Datagram Transport Layer Security (DTLS) protocol...
The accord opened the door to future regulation but focused on four voluntary steps for the companies to take. The post Trump Says Top Tech Firms Have Signed Accord to ‘Self-Police’ AI Development appeared first on SecurityWeek.
Microsoft is taking Windows Subsystem for Linux beyond just running Linux distributions, as WSL Containers is now generally available. [...]
Attackers are exploiting CVE-2026-86950, an out-of-bounds write flaw, in an extremely sophisticated fashion, according to Apple.
Signal, the secure messaging app, released version 8.30, completing the rollout of its secure backups feature across all supported operating systems (Android, iOS, Linux, macOS, and Windows). [...]
A patched Unsloth Studio vulnerability allows malicious AI models to execute arbitrary Python code during inspection, via the trust_remote_code setting.
Custom variants of OpenAI's ChatGPT promoted in sponsored Google results are directing unsuspecting users to malicious sites that use ClickFix attacks to deliver malware. [...]
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