
John Shier
John Shier is a Field CTO at Sophos. John is a popular presenter at security events, and is well-known for the clarity of his advice, even on the most complex security topics. John doesn't just talk the talk: he also gives hands-on technical support and product education to Sophos partners and customers.
Contenuto di John Shier

Security Operations
Threat Research
Active Advisory
Active Adversary Report
Nowhere, man: Il rapporto Active Adversary Report 2026
February 24, 2026
SophosLabs Uncut
Threat Research
featured
ProxyLogon
ProxyShell
Web shells
Active Adversary Playbook 2022 Insights: le Web Shell
June 28, 2022
Products & Services
Colonial Pipeline
Ransomware
Sophos Rapid Response
Cosa possono imparare i team di sicurezza IT dall’attacco ransomware alla Colonial Pipeline
July 1, 2021