Daily Brief — March 5, 2026

DFIR Daily Threat Brief

πŸ’° Ransomware Activity

In February 2026, 680 companies were listed on ransomware leak sites, with Qilin being the most active group. The Space Bears ransomware group is noted for its aggressive double extortion tactics. The actual number of attacks is likely higher due to unreported incidents.

🚨 Critical Vulnerabilities

In 2026, CVE-2026-21510 in Microsoft Windows is actively exploited. It allows malware installation via phishing links. Critical vulnerabilities in VS Code and WordPress plugins also pose significant risks.

πŸ›‘οΈ Incident Response & DFIR News

Recent DFIR incident response news highlights new ransomware variants and compromised IAM credentials for crypto mining; AI is increasingly used in SOC investigations; Europol dismantled a phishing-as-a-service operation.

πŸ“° Latest Ransomware Attacks

In February 2026, healthcare was the most targeted sector in 82 publicly disclosed ransomware incidents. Ransomware trends continue to evolve, with new tactics emerging. The global cyber risk outlook for 2026 highlights significant changes in ransomware strategies.

Facing an active incident? Contact us immediately at alerts@binary-response.com β€” we respond 24/7.