Hacking Archives - Security Affairs

Hacking

Pierluigi Paganini August 28, 2025

200 Swedish municipalities impacted by a major cyberattack on IT provider

Cyberattack on Miljödata disrupted services in over 200 Swedish municipalities, with concerns over stolen sensitive data. A cyberattack on Miljödata, an IT supplier serving 80% of Swedish municipalities, including Skellefteå, Mönsterås and Kalmar, disrupted services in over 200 municipalities and raised concerns of stolen sensitive data. The Swedish Privacy Agency confirmed that it has already received around 70 […]

Pierluigi Paganini August 28, 2025

TransUnion discloses a data breach impacting over 4.4 million customers

TransUnion reported a data breach in which threat actors accessed personal information of over 4.4 million customers. TransUnion disclosed a data breach that impacted more than 4,461,511 customers. The company is one of the three major credit reporting agencies in the United States (alongside Experian and Equifax). It collects and maintains credit information on consumers […]

Pierluigi Paganini August 28, 2025

NSA, NCSC, and allies detailed TTPs associated with Chinese APT actors targeting critical infrastructure Orgs

NSA and allies warn that Chinese APT actors, including Salt Typhoon, are targeting critical infrastructure worldwide. The U.S. National Security Agency (NSA), the UK’s National Cyber Security Centre (NCSC), and allies warn Chinese APT actors, linked to Salt Typhoon, are targeting global telecom, government, transport, lodging, and military sectors. “The National Security Agency (NSA) and […]

Pierluigi Paganini August 28, 2025

UNC6395 targets Salesloft in Drift OAuth token theft campaign

Hackers breached Salesloft to steal OAuth/refresh tokens for Drift AI chat; GTIG and Mandiant link the campaign to threat actor UNC6395. Google Threat Intelligence Group and Mandiant researchers investigate a large-scale data theft campaign carried out to hack the sales automation platform Salesloft to steal OAuth and refresh tokens associated with the Drift artificial intelligence (AI) chat […]

Pierluigi Paganini August 27, 2025

Over 28,000 Citrix instances remain exposed to critical RCE flaw CVE-2025-7775

Over 28,200 Citrix NetScaler ADC/Gateway instances remain exposed to critical RCE flaw CVE-2025-7775, already under active exploitation. Experts at the Shadowserver Foundation warn that more than 28,200 Citrix instances are vulnerable to the vulnerability CVE-2025-7775, which is under active exploitation. CVE-2025-7775 (CVSS score: 9.2) is a memory overflow vulnerability leading to Remote Code Execution and/or Denial-of-Service. […]

Pierluigi Paganini August 27, 2025

U.S. CISA adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Citrix NetScaler flaw, tracked as CVE-2025-7775, to its Known Exploited Vulnerabilities (KEV) catalog. This week, Citrix addressed three security flaws (CVE-2025-7775, CVE-2025-7776, CVE-2025-8424) in NetScaler ADC and NetScaler Gateway, including one (CVE-2025-7775) that it […]

Pierluigi Paganini August 27, 2025

Healthcare Services Group discloses 2024 data breach that impacted 624,496 people

Healthcare Services Group suffered a 2024 breach, exposing personal data of 624,000+ people. Affected individuals are now being notified. In 2024, Healthcare Services Group suffered a data breach that impacted over 624,496 people, as per notification sent to the Maine Attorney General’s Office. Healthcare Services Group, Inc. (HCSG) is a U.S.-based company that provides housekeeping, laundry, […]

Pierluigi Paganini August 27, 2025

ESET warns of PromptLock, the first AI-driven ransomware

ESET found PromptLock, the first AI-driven ransomware, using OpenAI’s gpt-oss:20b via Ollama to generate and run malicious Lua scripts. In a series of messages published on X, ESET Research announced the discovery of the first known AI-powered ransomware, named PromptLock. The PromptLock malware uses the gpt-oss:20b model from OpenAI locally via the Ollama API to […]

Pierluigi Paganini August 27, 2025

China linked UNC6384 targeted diplomats by hijacking web traffic

The China-linked APT group UNC6384 targeted diplomats by hijacking web traffic to redirect it to a website that delivered malware. China-linked cyberespionage group UNC6384 targeted diplomats by hijacking web traffic to redirect to a website used to deliver malware, Google’s Threat Intelligence Group (GTIG) warns. Cyberspies hijacked a network’s captive portal using an advanced adversary-in-the-middle […]

Pierluigi Paganini August 26, 2025

Farmers Insurance discloses a data breach impacting 1.1M customers

Farmers Insurance suffered a breach tied to Salesforce attacks, exposing data of 1.1M customers across its nationwide insurance network. Farmers Insurance disclosed a data breach affecting 1,071,172 customers, linked to the recent wave of Salesforce attacks, as per Bleeping Computer. The company is an American insurer group of vehicles, homes and small businesses and also […]

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