Security Insights
Latest threat analysis, industry news, and security best practices from our expert team.
Defending Against Microsoft Teams Vishing and Chaos Ransomware
Defending Against Microsoft Teams Vishing and Chaos Ransomware Introduction Security Arsenal has tracked a concerning shift in the threat la...
GoGRPC Backdoor & Teams Vishing Campaign: Helpdesk Hijacker IAB Tactics — OTX Pulse Analysis
Threat Summary The latest OTX pulse highlights an active Initial Access Broker (IAB) campaign, tracked since January 2026, that employs a so...
APT-C-36 AsyncRAT Toolkit Evolution & O-UNC-066 Entra Passkey Vishing: OTX Pulse Analysis
Threat Summary Recent OTX pulses highlight a dual-vector threat landscape targeting financial credentials and identity infrastructure. APT-C...
Blind Eagle AsyncRAT Campaigns & Entra Passkey Vishing: OTX Pulse Analysis
Threat Intelligence Briefing Threat Summary OTX Pulse data for 2026-07-20 highlights two distinct but high-impact credential theft campaigns...
Defending Against O-UNC-066: Fake Microsoft Entra Passkey Enrollment Attacks
Introduction Security Arsenal is tracking an active campaign identified by Okta as O-UNC-066, targeting organizations across multiple sector...
Defending Against EtherRAT: Detecting Fake Microsoft Teams IT Support Calls
Defending Against EtherRAT: Detecting Fake Microsoft Teams IT Support Calls Introduction Security Arsenal is tracking a sophisticated social...
MarkiRAT Surveillance Operations + Pink Vishing Campaign + Global Smishing Network: OTX Pulse Analysis — Enterprise Detection Pack
MarkiRAT Surveillance Operations + Pink Vishing Campaign + Global Smishing Network: OTX Pulse Analysis — Enterprise Detection Pack Threat Su...
Pink Vishing & Global PhaaS Campaigns: OTX Credential Theft Analysis
Pink Vishing & Global PhaaS Campaigns: OTX Credential Theft Analysis Excerpt: Pink actor vishing, global smishing operations, and gaming cre...
UNC3753 Vishing and Physical Intrusion Campaign: Detection and Defense Strategies for U.S. Financial and Legal Services
UNC3753 Vishing and Physical Intrusion Campaign: Detection and Defense Strategies for U.S. Financial and Legal Services Introduction UNC3753...