Threat Intelligence Briefing

Global threat volume decreased by 10.6% compared to the previous period, consistent with routine overnight activity patterns. Reconnaissance remains the dominant category. Nordic threat levels are stable; Sweden (613 events) and Finland (409) show typical background noise primarily from blacklisted IPs and attacks. The top threat IPs, predominantly from Poland and Russia, are part of a persistent SSH brute force campaign active for several weeks, not a new emergent threat. Focus on the cluster behavior, not individual ephemeral IPs. Prioritize blocking the CIDR ranges associated with the ongoing SSH brute force campaign from Eastern European networks, specifically the Polish ASN hosting the 87.251.64.0/24 cluster. Rate-limiting SSH connection attempts from these regions remains the most effective mitigation. Deprioritize individual IPs from general reconnaissance noise.