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Qilin's 2025 dominance as the most active ransomware group

Threat Actor Meta
First reported
Last updated
Happening score
H score 31
2 unique sources, 2 articles

Summary

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In 2025, Qilin emerged as the most active ransomware group, signaling a high-throughput ransomware-as-a-service operation with broad pressure on enterprise targets. Its scale matters because repeated attack claims and confirmed intrusions can translate into persistent extortion risk, especially for manufacturing environments where downtime quickly becomes supply disruption.

Related Happenings

Beast ransomware group’s RaaS model and shared TTPs exposed through an open server

Threat Actor Meta
First: 20.03.2026 18:31 Last: 20.03.2026 18:31 Sources 1

About this happening: An exposed **Beast ransomware group** server now shows its **RaaS operating model** and reusable toolset, complicating attribution across ransomware crews. The recovered materials...

The Gentlemen RaaS split exposed by hastalamuerte

Threat Actor Meta
First: 19.03.2026 18:00 Last: 19.03.2026 18:00 Sources 1

About this happening: **hastalamuerte** exposed the internal workings of **The Gentlemen** ransomware group, revealing a **Qilin-related RaaS split** that shows how affiliate-driven ecosystems can rapi...

DragonForce shifts ransomware-as-a-service into a cartel-style affiliate umbrella

Threat Actor Meta
First: 05.02.2026 00:14 Last: 05.02.2026 00:14 Sources 1

About this happening: **DragonForce** has shifted into a **cartel-style ransomware-as-a-service model**, letting affiliates launch their own brands while sharing a common umbrella. That change expands...

Qilin, Akira and Sinobi late-2025 ransomware wave

Campaign
First: 29.01.2026 15:01 Last: 29.01.2026 15:01 Sources 1

About this happening: A **late-2025 ransomware wave** led by **Qilin**, **Akira** and **Sinobi** increased pressure on **organizations** as operators prioritized **fast access and execution** to evade...

Ransomware leak-site postings surged across victim organizations in Q4 2025

Target Trend
First: 29.01.2026 15:01 Last: 29.01.2026 15:01 Sources 1

About this happening: In **Q4 2025**, ransomware leak-site postings for **victim organizations** rose sharply, signaling stronger extortion pressure across affected targets. Postings were **up 50% quar...

Timeline

  1. 15.12.2025 13:15 1 articles · 5mo ago

    Asahi Group Holdings plans cybersecurity overhaul after Qilin ransomware attack

    Mitigation Patch Update

    Asahi Group Holdings CEO Atsushi Katsuki said on December 15 that the company is elevating cybersecurity to a top management priority, considering a dedicated cybersecurity unit, scrapping VPNs, and adopting a stricter zero-trust model after the September 29 Qilin ransomware attack disrupted main systems, automated order and shipping processes, and exposed personal data.

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  2. 08.10.2025 04:00 1 articles · 7mo ago

    Asahi Group Holdings discloses breach and shuts down operations

    Initial Disclosure

    Asahi Group Holdings disclosed a breach on Sept. 29 and immediately shut down operations while isolating affected systems, a move that contributed to shortages of the company's beers in Japan.

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  3. 08.10.2025 04:00 1 articles · 7mo ago

    Qilin claims responsibility for the Asahi Group Holdings breach

    Campaign Scope Update

    Four days after the breach disclosure, the Qilin ransomware-as-a-service group took credit for the attack on Asahi Group Holdings and reportedly posted screenshots of alleged internal documents from Asahi systems; the gang also described Asahi as the fourth Japanese company it had claimed in 2025.

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  4. 08.10.2025 04:00 2 articles · 7mo ago

    Asahi Group Holdings restarts manufacturing after ransomware disruption

    Victim Impact Update

    Asahi Group Holdings restarted manufacturing operations this week after the ransomware attack that left shortages in Japan of the company's popular beers, while the company said it was continuing to investigate the nature and scope of any unauthorized data transfer and using alternative measures to keep product supply moving.

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