← Back to Feed
Pro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical Infrastructure
December 5, 2025 · CISA Cybersecurity Advisories · Severity: CRITICAL
CISA warns of pro-Russia hacktivists conducting opportunistic attacks against US and global critical infrastructure organizations. The attackers primarily use DDoS and website defacement techniques to cause disruption. Critical infrastructure operators are urged to enhance their defenses against these unsophisticated but disruptive attacks.
Key Takeaways
- Pro-Russia hacktivists are conducting opportunistic attacks against US and global critical infrastructure targets.
- These threat actors employ DDoS and defacement techniques to disrupt operations across multiple critical infrastructure sectors.
- Organizations should bolster DDoS protections and incident response readiness to counter hacktivist-driven attacks.