Major Ransomware Trends and High-Profile Attacks in 2025
Ransomware activity surged in 2025 despite significant law enforcement actions against major ransomware-as-a-service (RaaS) groups, with new groups quickly filling the void and victim numbers reaching record highs. Data from RansomLook.io and Ransomware.live showed a sharp increase in claimed ransomware victims, with global numbers rising from approximately 5,400 in 2023 to over 8,000 in 2025. Attackers increasingly relied on social engineering rather than technical exploits, and the impact of ransomware was felt across all sectors, including retail, education, government, and healthcare. Notable incidents included coordinated campaigns against major UK retailers and disruptive attacks on organizations such as Coupang, University of Phoenix, and the NHS’s technology provider DXC Technology.
The year’s most significant attacks demonstrated the systemic and cross-sector nature of modern cyber risk, with attackers exploiting third-party dependencies and identity weaknesses to maximize disruption. High-profile breaches led to operational outages, data exposure, and substantial financial and reputational damage, as seen in the case of Marks & Spencer, which suffered a dramatic drop in profits following a ransomware campaign attributed to the Scattered Spider group. These incidents have prompted organizations to reassess their incident response strategies, invest in ransomware readiness, and strengthen supply chain security as they prepare for evolving threats in 2026.
Timeline
Dec 31, 2025
Social engineering becomes a primary ransomware access vector
By 2025, reporting emphasized that social engineering had overtaken technical exploitation as a leading initial access method in ransomware operations. Attackers increasingly used tactics such as phone-based credential theft to compromise organizations.
Dec 31, 2025
UNFI attack disrupts food supply chain operations
UNFI was reported as suffering a cyber incident in 2025 that disrupted food supply chain operations. The case illustrated how attacks on critical logistics and distribution providers can create broad downstream effects.
Dec 31, 2025
Iran's Bank Sepah data theft attributed to Codebreakers
Bank Sepah in Iran suffered a mass record theft in 2025 that was attributed to a group identified as Codebreakers. The incident was included among the year's major high-impact cyber events.
Dec 31, 2025
Allianz Life suffers third-party CRM data exposure
In 2025, Allianz Life was identified as affected by a third-party CRM-related exposure. The incident was cited as another example of the growing risk from external service providers and SaaS dependencies.
Dec 31, 2025
SalesLoft-Salesforce OAuth supply-chain breach exposes customer data
A large-scale 2025 supply-chain incident involving SalesLoft OAuth integrations with Salesforce enabled access to multiple customer environments. The breach exposed millions of records at TransUnion and was linked to ShinyHunters, with overlaps to Scattered Spider activity.
Dec 31, 2025
St. Paul ransomware attack triggers emergency response
A ransomware attack on St. Paul, Minnesota in 2025 led to a state of emergency. The response required federal assistance and support from the National Guard's cyber capabilities.
Dec 31, 2025
Collins Aerospace vMUSE attack disrupts 20+ European airports
A ransomware compromise of Collins Aerospace's vMUSE airport platform disrupted operations at more than 20 European airports in 2025. The incident underscored the operational risk posed by attacks on shared aviation technology providers.
Dec 31, 2025
Jaguar Land Rover breached in supply-chain ransomware attack
A high-impact attack in 2025 affected Jaguar Land Rover and was attributed to the loosely affiliated Scattered Lapsus$ Hunters collective. Reporting described the incident as a supply-chain-driven ransomware event that caused significant economic damage.
Dec 31, 2025
Scattered Spider-linked attacks hit UK retailers including Marks & Spencer
Integrity360 reported coordinated ransomware activity against UK retailers in 2025, including Marks & Spencer, and linked it to Scattered Spider. The attacks highlighted the role of third-party access and software weaknesses in enabling disruption.
Dec 31, 2025
Law enforcement disrupts several major ransomware groups in 2025
During 2025, authorities carried out arrests and takedowns targeting major ransomware operations. Groups including RansomHub, 8Base, and Hunters International were reported to have ceased operations, often under law enforcement pressure.
Dec 31, 2025
Ransomware victim counts rise sharply from 2023 to 2025
Data cited from RansomLook.io and Ransomware.live showed claimed ransomware victims increased by roughly 53% to 63% between 2023 and 2025. The number of active ransomware groups also grew over the same period, indicating a broader expansion of the ecosystem.
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