Cybersecurity News | Daily Recap [29 Jun 2026]

AI Security

• OpenAI and Anthropic are limiting access to new models during a cybersecurity review, while OpenAI also unveiled GPT-5.6 Sol as its most advanced cybersecurity AI. – AI Access, GPT-5.6 Sol
• Straiker raised $64 million to expand its AI security platform for defending enterprise workloads. – Straiker Funding

Vulnerabilities & Threats

• The DirtyClone Linux kernel vulnerability can lead to root access, creating a high-risk privilege-escalation path for attackers. – DirtyClone Vulnerability
• A weekly threat roundup highlights supply-chain and DevOps attacks, credential phishing, token theft, backdoors, and stealthy Windows/macOS malware tradecraft. – Threat Recap
• Microsoft removed 119 Edge extensions that concealed malware in images and fonts to evade detection. – Edge Extensions

Policy & Geo-Threats

• The U.S. offered a $10 million bounty for Russian state hackers as attacks via messaging apps continue to evolve. – Russia Bounty
• A post-quantum executive order lays out concrete readiness demands and deadlines for CISOs preparing for cryptographic migration. – Post-Quantum Order

Data Breaches

• A breach exposed up to 14.2 million email logins across six ISPs, raising the risk of credential stuffing and account takeover. – ISP Breach

Cybersecurity News | Daily Recap – hendryadrian.com