All news with #ransomware tag

🛡️ Microsoft said it disrupted a ransomware campaign that used fake Teams installers to deliver a backdoor and prepare for encryption operations. Attackers lured victims with impersonated MSTeamsSetup.exe files hosted on malicious domains, which installed a loader and a fraudulently signed Oyster backdoor. The group identified as Vanilla Tempest intended to follow with Rhysida ransomware. Microsoft revoked over 200 fraudulent code-signing certificates and says a fully enabled Defender Antivirus will block the threat.

🛡️ Cisco Talos Incident Response observed a surge in attacks exploiting public-facing apps in Q3 2025, driven chiefly by ToolShell chains targeting on-premises Microsoft SharePoint servers. Rapid automated scanning and unauthenticated RCE vulnerabilities led to widespread compromise, highlighting the need for immediate patching and strict network segmentation. Post-compromise phishing from valid accounts and diverse ransomware families, including Warlock and LockBit, continued to impact victims.

🔒 FINTRAC has imposed a $176,960,190 penalty on Xeltox Enterprises Ltd., the operator of Cryptomus, after finding widespread failures to file suspicious transaction reports tied to trafficking in child sexual abuse material, fraud, ransomware payments and sanctions evasion. Regulators said the payments platform enabled dozens of Russian‑focused exchanges and cybercrime‑facing services to move illicit proceeds. The action follows investigative reporting showing numerous money service businesses clustered at shared Canadian addresses that appear to be fronts.

🔍 Palo Alto Networks' Unit 42 reports monitoring a Scattered LAPSUS$ Hunters Telegram channel since early October 2025, noting a tactical shift toward an extortion-as-a-service (EaaS) offering that omits file encryption. Researchers also observed posts mentioning a potential new ransomware, SHINYSP1D3R, though its development and the profitability of EaaS remain uncertain. Unit 42 found the group's data leak site apparently defaced and confirmed leaked records tied to at least six firms; the actors had set an Oct 10 ransom deadline but later stated on Oct 11 that "nothing else will be leaked."

🔒 A ransomware attack on contractor Dodd Group reportedly allowed Russian-linked attackers to exfiltrate hundreds of sensitive Ministry of Defence documents, including details on RAF Lakenheath, RAF Portreath and RAF Predannack. The company confirmed an incident and said it contained access, while the MoD suspects the Lynx group is behind the intrusion. Leaked files published on the dark web allegedly include site plans and personnel data, and the case is now under investigation amid a wider rise in UK cyber incidents.

🔒 The average ransomware payment climbed to $3.6m in 2025, up from $2.5m in 2024, as attackers shift to fewer but more lucrative, targeted campaigns. ExtraHop's Global Threat Landscape Report found 70% of affected organisations paid ransoms, with healthcare and government incidents averaging nearly $7.5m each. The study highlights expanding risks from public cloud, third‑party integrations and generative AI, and urges organisations to map their attack surface, monitor internal traffic for lateral movement and prepare for AI‑enabled tactics.

🛡️ CrowdStrike’s 2025 ransomware survey finds that AI is compressing attacker timelines and enhancing phishing, malware creation, and social engineering, forcing defenders to react in minutes rather than hours. 78% of respondents reported a ransomware incident in the past year, yet fewer than 25% recovered within 24 hours and paying victims often faced repeat compromise and data theft. CISOs rank AI-enabled ransomware as their top AI-related security concern, and many organizations are accelerating adoption of AI detection, automated response, and improved training.

⚠️ The CrowdStrike State of Ransomware Survey reveals a sizable gap between organizational confidence and actual ransomware readiness. Half of 1,100 security leaders say they are "very well prepared," yet 78% were attacked in the past year and fewer than 25% recovered within 24 hours. The report warns that AI-accelerated attacks deepen this gap and recommends AI-native detection and response such as Falcon to regain the advantage.

🔒 Muji has temporarily taken its Japan online store offline after a ransomware attack disrupted logistics systems at its delivery partner, Askul. The outage affects browsing, purchases, order histories in the Muji app, and some web content; Muji is investigating which shipments and pre-attack orders were impacted and will notify affected customers by email. Askul confirmed a ransomware infection suspended orders, shipping, and several customer services while it investigates potential data exposure; international Muji stores remain operational.

🔒 ESET's Cybersecurity Awareness Month 2025 video, presented by Chief Security Evangelist Tony Anscombe, explains why ransomware continues to threaten organizations large and small. Citing Verizon's 2025 DBIR and a Coalition Inc. study, it notes that 44% of breaches involved ransomware and 40% of insured victims paid ransoms. The video outlines common intrusion vectors and practical steps — backups, patching, access controls and training — organizations should take to improve resilience.

🔒 On October 17, the ransomware group Rhysida posted the German machine manufacturer Geiger on a darknet victims list, claiming to offer data stolen from the company. The attackers set an asking price of 10 BTC (roughly €1 million) and indicated a sale deadline of October 24, 2025, without specifying the scope or types of data. Geiger has not publicly responded to the claim. Security researchers characterize Rhysida as financially motivated and likely operating from Russia or the CIS.

🔒 The CrowdStrike 2025 APJ eCrime Landscape Report outlines a rapidly evolving criminal ecosystem across Asia Pacific and Japan, driven by regional marketplaces and increasingly automated ransomware. The report highlights active Chinese-language underground markets (Chang’an, FreeCity, Huione Guarantee) and the rise of AI-developed ransomware, with 763 APJ victims named on ransomware and dedicated leak sites between January 2024 and April 2025. It profiles local eCrime groups (the SPIDER cluster) and service providers such as Magical Cat and CDNCLOUD, and concludes with prioritized defenses for identity, cloud, and social-engineering resilience.

🔒 The Hohen Neuendorf city administration reported a cyberattack detected on October 7 that forced an immediate shutdown of its IT systems and left municipal operations running in a limited capacity. Contracted cybersecurity experts found indications attackers temporarily accessed and encrypted parts of the city's data holdings, preventing immediate inspection. Authorities say it cannot yet be confirmed whether personal data were stolen and that the city will notify affected individuals under GDPR if a data outflow is verified. Preliminary investigation points to security gaps at an external IT service provider that allegedly failed to report vulnerabilities as contractually required.

🔒 Infostealers are fuelling today’s ransomware wave and the resulting stealer logs are widely available on the dark web, sometimes for as little as $10. At ISACA Europe 2025, Tony Gee of 3B Data Security urged security teams to adopt targeted technical controls in addition to baseline measures like zero trust and network segmentation. He recommended six practical defenses — including regular password rotation, FIDO2-enabled MFA, forced authentication, shorter session tokens, cookie replay detection and impossible-travel monitoring — to reduce the usefulness of stolen credentials and session data.

🔒 The Microsoft Digital Defense Report 2025 finds Germany was the most targeted EU country in the first half of 2025, receiving 3.3% of global cyberattacks. Attackers are driven more by profit than espionage, with ransomware used in 52% of incidents and pure espionage accounting for 4%. The report highlights threats linked to Russia, China, North Korea and Iran and recommends MFA—which can block 99.9% of credential-based attacks.

🔒 Ransomware attacks inflict both operational and deep personal harm, often devastating small businesses lacking cash reserves and cybersecurity expertise. Research underscores lasting trauma, exhaustion, and financial ruin that can outlast technical recovery. Organizations should pair an incident response plan with compassionate leadership and employee support. Cisco Talos also warns of evolving supply‑chain campaigns targeting developers and job seekers, reinforcing the need for layered defenses.

🔒 Microsoft's 2025 Digital Defense Report finds that most attacks aim to steal data for profit, with extortion and ransomware responsible for over 52% of incidents while espionage accounts for only about 4%. Covering July 2024–June 2025, the report highlights rising use of AI, automation, and off‑the‑shelf tools that enable scalable phishing, malware, and identity theft. Microsoft urges adoption of phishing‑resistant MFA, AI‑driven defenses, and strengthened cross‑sector collaboration to protect critical public services and build resilience.

🔔 This week’s ThreatsDay bulletin highlights a historic U.S. DOJ seizure of roughly $15 billion in cryptocurrency linked to an alleged transnational fraud network, alongside active commodity malware, phishing-as-a-service, and novel abuses of legitimate tools. Notable incidents include the Brazil-distributed Maverick banking trojan spread via a WhatsApp worm, consumer-grade interception of geostationary satellite traffic, and UEFI BombShell flaws enabling bootkit persistence. Priorities: identity resilience, patching, and monitoring of remote-access and cloud services.

🛡️ Minecraft mods can enhance gameplay but also serve as vectors for malware. This article explains how threat actors disguise Trojans, infostealers, ransomware and cryptominers as mods or cheat tools and distribute them via GitHub, mod repositories and forums. It outlines practical precautions — sourcing mods from trusted repositories, checking developer reputation and file types, using non-admin accounts, backups and security software — and steps to take if a mod is suspected malicious.

🔒 Markus Weber, founder and managing director of dokuworks, describes the immediate steps his team takes when called in after a cyberattack: isolate and secure affected systems so IT forensics can operate, preserve extortion correspondence to help identify perpetrators, assess operational impact, and initiate emergency operations. He warns that ransomware is the predominant threat and generally advises against paying ransoms, though there are rare exceptions. Many organizations are improving technically but still neglect documented emergency organization and trusted external partnerships, leaving them vulnerable.