Cybersecurity

Vulnerabilities, attacks, threats, security tools, cloud security, and identity.

40 Articles

CHERI Redefines Pointer Security to Build Fine-Grained Software Isolation

Cybersecurity

CHERI Redefines Pointer Security to Build Fine-Grained Software Isolation

David Chisnall explains how the CHERI architecture uses hardware capabilities to protect pointers and enforce memory bounds and permissions, providing spatial and temporal security for software written in C and C++ without extensive rewriting. The presentation connects this mechanism to the possibility of building precise isolation between system components while directly sharing data structures instead of relying entirely on traditional RPC mechanisms.

2026-08-16

United States Allows Private Companies to Conduct Offensive Cyber Operations Under Government Oversight

Cybersecurity

United States Allows Private Companies to Conduct Offensive Cyber Operations Under Government Oversight

The Trump administration has announced a policy allowing private companies that meet specific requirements to conduct surveillance and disruptive attacks against criminal gangs and international hackers under a program managed by the federal government. The mechanism is not yet fully operational, and it may face legal challenges as well as diplomatic and security concerns.

2026-08-13

Cloudflare Report: Hyperscale DDoS Attacks Exceeding 1 Terabit per Second Surge 519% in the First Half of 2026

Cybersecurity

Cloudflare Report: Hyperscale DDoS Attacks Exceeding 1 Terabit per Second Surge 519% in the First Half of 2026

Cloudflare recorded a sharp rise in distributed denial-of-service attacks during the first half of 2026, mitigating 935 attacks that exceeded 1 terabit per second in intensity, with an increase of 519% between the first and second quarters. The report points to a shift in focus from botnet floods to reflection and amplification attacks, particularly through DNS and CLDAP, with the landscape affected by geopolitical tensions.

2026-08-11