Business Insights Cybersecurity Blog by Bitdefender

#Ransomware , #Threat Research , #Threat Intelligence , #AI

Nov 03, 2026

3AM Hits European Schools: A Hybrid AI Ransomware Attack, Part Human, Part Agentic Loop

I’d like to thank my colleagues, Adrian Schipor and Martin Zugec, for their invaluable ...

#SMB Security , #Enterprise Security , #Threat Research , #Threat Intelligence

Oct 22, 2026

Technical Advisory: PHP2Shell Pre-Auth RCE (CVE-2026-109618, CVE-2026-109619)

[CRITICAL] | CVSS v4.0 9.2 | No exploitation observed by Bitdefender | Patch immediately

#Ransomware , #Bitdefender Threat Debrief , #Threat Intelligence

Oct 06, 2026

Bitdefender Threat Debrief | October 2026

Operation KillSwitch Halts KillSec’s Ransomware Activity

#SMB Security , #Enterprise Security , #Ransomware , #Threat Intelligence

Oct 01, 2026

Bitdefender Supported Operation KillSwitch: What the KillSec Takedown Changes for Defenders

Europol published the results of Operation KillSwitch on the first day of October 2026, ...

#Enterprise Security , #Threat Research , #Threat Intelligence

Sep 01, 2026

CyberLeek: Extortion Built for an Audience, Not a Victim

CyberLeekpositions itself as afinancially motivated extortionist group, taking part in the ...

#Threat Research , #Advanced Persistent Threats , #Threat Intelligence

Aug 19, 2026

SilkParasite: Tracking a China-Nexus APT Across Central Asia

TL;DR: SilkParasite is a cyberespionage operation, assessed at medium confidence as ...

#SMB Security , #Enterprise Security , #Threat Research , #Threat Intelligence

Jul 27, 2026

Technical Advisory: wp2shell — Unauthenticated Remote Code Execution and Full Site Takeover in WordPress Core

| CVSS 9.8 (out of 10) | Active exploitation confirmed | Patch to 6.9.5 / 7.0.2 immediately

#SMB Security , #Enterprise Security , #Ransomware , #Bitdefender Threat Debrief , #Threat Intelligence

Jul 14, 2026

Bitdefender Threat Debrief | July 2026

After a Year at Number One, Qilin Ransomware Falls from the Top Spot

#SMB Security , #Enterprise Security , #Threat Intelligence

Jun 15, 2026

Bitdefender Threat Intelligence: Built for How Security Teams Work

Simple investigations are known for only starting out that way. They can quickly become a ...

#Cybersecurity Awareness , #Threat Intelligence

May 21, 2026

Operation Saffron: Bitdefender Joins “First VPN” Takedown

An international law enforcement operation led by France and the Netherlands dismantled ...

#Enterprise Security , #Threat Research , #Advanced Persistent Threats , #Threat Intelligence

May 13, 2026

FamousSparrow APT Targets Azerbaijani Oil and Gas Industry

I'd like to thank my co-author, Martin Zugec, for his valuable contributions to this report.

#SMB Security , #Enterprise Security , #Ransomware , #Threat Research , #Threat Intelligence

May 08, 2026

Technical Advisory: ShinyHunters Breach of Instructure Canvas LMS

[CRITICAL] | Active extortion campaign | Exposure window closed | Credential rotation and ...

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