The eSentire Blog

Apr 01, 2026

Tycoon 2FA Infrastructure Update: Threat Actors Adapt Following Global Coalition Takedown

What did we find?Following the organized global coalition takedown of Tycoon 2FA phishing infrastructure led by…

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Posts from TRU Intelligence Center

Managed Detection and Response

4 M

eSentire Wins Multiple Leader Badges in the G2 Spring 2026 Grid® Reports

We are thrilled to share that eSentire has been recognized with multiple badges by G2 as part of their…

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TRU Positive/Bulletin

9 M

MuddyWater APT + Tsundere Botnet: EtherHiding the C2

What did we find?In March 2026, eSentire's Threat Response Unit (TRU) investigated an open-directory web server…

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TRU Positive/Bulletin

24 M

North Korean APT Malware Analysis: DEV#POPPER RAT and OmniStealer (Everyday I'm Shufflin')

What did we find?In February 2026, eSentire's Threat Response Unit (TRU) detected DEV#POPPER, a sophisticated…

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Threat Response Unit

3 M

Microsoft Announces Disruption of Tycoon 2FA in Coordination with Industry Partners

March 4, 2026 – Today, Microsoft announced they took action to disrupt and coordinate seizure of infrastructure…

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Threat Response Unit

6 M

How Cybercriminals Customized Attacks for Five Industries in 2025

In 2025, identity-related cybercrime scaled rapidly with the expansion of "as-a-Service" models. Offering…

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9 M

From Classroom to SOC: How eSentire Cultivates Cybersecurity Excellence

Cyber threats are rapidly increasing in complexity, and threat actors are relying on phishing-as-a-service (PhaaS)…

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TRU Positive/Bulletin

22 M

Tenant from Hell: Prometei's Unauthorized Stay in Your Windows Server

What did we find? In January 2026, eSentire's Threat Response Unit (TRU) detected a malicious command attempting…

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Threat Response Unit

30 M

Weaponized in China, Deployed in India: The SyncFuture Espionage Targeted Campaign

What did we find? In early December 2025, the eSentire Threat Response Unit (TRU) identified an ongoing…

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Company News

4 M

eSentire Named in 2026 Waterloo Area's Top Employer Awards List for 9th Consecutive Year

We are so proud to be named on the 2026 Waterloo Area’s Top Employers list. This is the ninth consecutive…

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