Securing your network for the holidays

Ukrainian entities have emerged as the target of a new campaign likely orchestrated by threat actors linked to Russia, according to a report from S2 Grupo’s LAB52 threat intelligence team. The campaign, observed in February 2026, has been assessed to share overlaps with a prior campaign mounted by Laundry Bear (aka UAC-0190 or Void Blizzard)…

While Zack Whittaker and I work to finish up a report on threats security researchers and journalists receive, there has been more and more news about threats to journalists and journalism. The arrests of Don Lemon and Geraldine Fort for reporting on a protest in a church could easily be construed as an obvious attempt……

The North Korea-linked Lazarus Group (aka Diamond Sleet and Pompilus) has been observed using Medusa ransomware in an attack targeting an unnamed entity in the Middle East, according to a new report by the Symantec and Carbon Black Threat Hunter Team. Broadcom’s threat intelligence division said it also identified the same threat actors mounting an…

Germany’s Federal Office for the Protection of the Constitution (aka Bundesamt für Verfassungsschutz or BfV) and Federal Office for Information Security (BSI) have issued a joint advisory warning of a malicious cyber campaign undertaken by a likely state-sponsored threat actor that involves carrying out phishing attacks over the Signal messaging app. “The focus is on…

Sharon Otterman reports: A potential cyberattack continued for a second day to cause widespread computer system outages at Columbia University on Wednesday as the school’s engineers worked to investigate the problem and restore service. The attack, which began in the early morning hours on Tuesday, initially shut down all systems on the school’s Morningside campus…

The cybersecurity landscape is accelerating at an unprecedented rate. What is emerging is not simply a rise in the number of vulnerabilities or tools, but a dramatic increase in speed. Speed of attack, speed of exploitation, and speed of change across modern environments. This is the defining challenge of the new era of digital warfare:…