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2025-04-17 ⋅ FORTRA ⋅ Max Ickert
Threat Actor Profile: SheByte Phishing-as-a-Service
2025-04-16 ⋅ IBM X-Force ⋅ IBM Security X-Force Team
IBM X-Force 2025 Threat Intelligence Index
2025-04-11 ⋅ Reliaquest ⋅ RELIAQUEST THREAT RESEARCH TEAM
Threat Spotlight: Hijacked and Hidden: New Backdoor and Persistence Technique
2025-04-10 ⋅ Symantec ⋅ Threat Hunter Team
Shuckworm Targets Foreign Military Mission Based in Ukraine
2025-04-08 ⋅ Microsoft ⋅ Microsoft Threat Intelligence
Exploitation of CLFS zero-day leads to ransomware activity
RansomEXX Storm-2460
2025-04-03 ⋅ Microsoft ⋅ Microsoft Threat Intelligence
Threat actors leverage tax season to deploy tax-themed phishing campaigns
Brute Ratel C4 CloudEyE Latrodectus Remcos Storm-0249
2025-04-03 ⋅ Mandiant ⋅ Jacob Thompson, John Wolfram, Josh Murchie, Matt Lin, Michael Edie
Suspected China-Nexus Threat Actor Actively Exploiting Critical Ivanti Connect Secure Vulnerability (CVE-2025-22457)
SPAWNSNARE
2025-04-01 ⋅ Hunt.io ⋅ Hunt.io
Same Russian-Speaking Threat Actor, New Tactics: Abuse of Cloudflare Services for Phishing and Telegram to Filter Victim IPs
Pyramid
2025-03-31 ⋅ WithSecure ⋅ Jeremy Ong
CrazyHunter: The Rising Threat of Open-Source Ransomware
CrazyHunter
2025-03-27 ⋅ Infoblox ⋅ Infoblox Threat Intelligence Group
A Phishing Tale of DoH and DNS MX Abuse
2025-03-26 ⋅ eSentire ⋅ eSentire Threat Response Unit (TRU)
The Long and Short(cut) of It: KoiLoader Analysis
Koi Loader
2025-03-25 ⋅ Resecurity ⋅ Resecurity
Blacklock Ransomware: A Late Holiday Gift with Intrusion into the Threat Actor's Infrastructure
BlackLock
2025-03-13 ⋅ PICUS Security ⋅ Sıla Özeren Hacıoğlu
HellCat Ransomware: Exposing the TTPs of a Rising Ransomware Threat in 2025
Morpheus
2025-03-13 ⋅ Securonix ⋅ Den Iyzvyk, Tim Peck
Analyzing OBSCURE#BAT Threat Actors Lure Victims into Executing Malicious Batch Scripts to Deploy Stealthy Rootkits
Quasar RAT r77
2025-03-12 ⋅ Red Canary ⋅ Red Canary
2025 Threat Detection Report
HijackLoader Lumma Stealer NetSupportManager RAT
2025-03-11 ⋅ Cato Networks ⋅ Matan Mittleman, Ofek Vardi
Cato CTRL Threat Research: Ballista – New IoT Botnet Targeting Thousands of TP-Link Archer Routers
Ballista
2025-03-07 ⋅ Proofpoint ⋅ Ole Villadsen, Proofpoint Threat Research Team, Selena Larson
Remote Monitoring and Management (RMM) Tooling Increasingly an Attacker’s First Choice
2025-03-06 ⋅ Twitter (@MsftSecIntel) ⋅ Microsoft Threat Intelligence
Tweet about Moonstone Sleet dropping Qilin ransomware
Qilin
2025-03-05 ⋅ HUMAN ⋅ Adam Sell, Aviad Kaiserman, Gabi Cirlig, Inna Vasilyeva, Joao Marques, João Santos, Lindsay Kaye, Louisa Abel, Maor Elizen, Mikhail Venkov, Nico Agnese, Vikas Parthasarathy, Will Herbig
Satori Threat Intelligence Disruption: BADBOX 2.0 Targets Consumer Devices with Multiple Fraud Schemes
BADBOX
2025-03-05 ⋅ Microsoft ⋅ Microsoft Threat Intelligence
Silk Typhoon targeting IT supply chain