Threat Intelligence Briefing
Analysis period: 2026-04-18T12:00:01.279675 - 2026-04-18T18:00:01.279675 (6 hours)
Executive Summary
Global threat volume decreased by 64.7% compared to the previous period, with 90,765 events. This significant drop is a deviation from typical high-volume periods and is consistent with a return to baseline after a prior surge. Reconnaissance remains the dominant category. Nordic countries show stable, routine activity levels; Sweden led with 637 events, primarily abuse blacklist and attacks, consistent with its 7-day average. Two Polish IPs from the 87.251.64.144/29 subnet were notably active in SSH bruteforce, a common but persistent threat pattern. Focus defensive resources on monitoring and potentially blocking the /29 CIDR range associated with the Polish SSH bruteforce cluster, as these IPs are part of a coordinated campaign. Routine Nordic activity does not warrant immediate escalation, but maintain standard vigilance on SSH endpoints.