Telsy CTI Archivi

Cyber Threat Investigation and Threat Hunting

According to the Verizon Data Breach Investigation Report (DBIR), advanced threats hide in environments undetected, often for months, as they stealthily try to gather valuable information or data to compromise....

Microsoft Exchange servers exploited with OWASSRF

29 Dec

Executive Summary In December 2022, Telsy Incident Response Team was called upon to handle a cyber security incident. The analysis conducted detected the execution of PowerShell code by exploiting a...

Legitimate Sites used as Cobalt Strike C2s against Indian Government

04 Mar

Introduction Telsy Threat Intelligence team observed an attack against members of the Indian government or local institutions, which uses social engineering themes as an investigation for a cyber attack or...