All news in category "Incidents and Data Breaches"

MCP supply-chain attack via squatted Postmark connector

🔒 A malicious npm package, postmark-mcp, was weaponized to stealthily copy outgoing emails by inserting a hidden BCC in version 1.0.16. The package impersonated an MCP Postmark connector and forwarded every message to an attacker-controlled address, exposing password resets, invoices, and internal correspondence. The backdoor was a single line of code and remained available through regular downloads before the package was removed. Koi Security advises immediate removal, credential rotation, and audits of all MCP connectors.

Postmark MCP Connector Compromised via Malicious NPM

🔒 A malicious npm package named postmark-mcp was discovered inserting a hidden Bcc that forwarded copies of transactional emails to an attacker-controlled server. Koi Security identified the backdoor in version 1.0.16 after its risk engine flagged suspicious behavior, noting the package had been trusted across many prior releases. With roughly 1,500 weekly downloads, the single-line injection enabled broad exfiltration of password resets, invoices, and internal correspondence before the package was removed; Koi urges immediate removal, credential rotation, and audits of all MCP connectors.

ArcaneDoor Targets Cisco ASA Firewalls in New Campaign

🔒 Cisco has linked a renewed campaign exploiting Cisco ASA 5500-X devices to the espionage-focused ArcaneDoor threat actor. The operation leveraged zero-day flaws, notably CVE-2025-20333 and CVE-2025-20362, to implant malware, modify ROMMON for persistence and evade detection by disabling logging and intercepting CLI commands. Observed compromises affected older ASA models lacking Secure Boot/Trust Anchor protections; Cisco and national authorities urge immediate remediation. Temporary mitigations include disabling SSL/TLS VPN web services and IKEv2 client services while applying vendor fixes and conducting forensics.

Interpol Operation Dismantles Large African Scam Rings

🛡️ Interpol-led Operation Contender 3.0 swept through 14 African countries between 28 July and 11 August 2025, targeting romance scams and sextortion networks and resulting in 260 arrests. Law enforcement, aided by private firms Group-IB and Trend Micro, seized 1,235 electronic devices and took down 81 cybercrime infrastructures. Investigations in Ghana, Senegal, Côte d’Ivoire and Angola identified 1,463 victims and estimated losses near $2.8 million.

JLR Begins Phased Restart After Major Cyber-Attack

🔁 JLR has begun a controlled, phased restart of digital and operational systems after the cyber-attack that halted production in early September. The company has increased IT processing capacity for invoicing and restored its financial wholesale system, allowing it to clear payment backlogs and resume sales and vehicle registrations. The Global Parts Logistics Centre is also returning to full operation as recovery work continues with support from the UK National Cyber Security Centre and law enforcement.

LockBit 5.0 Emerges as Most Dangerous Ransomware Variant

🔒 Trend Micro has identified a new LockBit variant, LockBit 5.0, which it calls significantly more dangerous than prior releases and has observed in the wild. The vendor confirmed Windows, Linux, and ESXi binaries featuring faster encryption, removal of infection markers, randomized 16-character extensions and enhanced evasion. The Windows build includes a cleaner affiliate UI with detailed execution options, while the ESXi variant represents a critical escalation by enabling encryption of multiple virtual machines from a single payload. Researchers note substantial code reuse from 4.0, suggesting an evolutionary update rather than a rebrand.

Qantas Docking CEO Pay Signals Cyber Accountability Shift

🔒 Qantas' board docked CEO Vanessa Hudson and other executives after a June 30 cyber incident that exposed the personally identifiable information of nearly 6 million passengers, deducting A$800,000 from bonuses and cutting annual payouts by 15 percentage points. The move is being compared to high-profile past actions, such as Yahoo's 2017 bonus denial. Security leaders say the decision reflects a broader trend of boards and regulators holding top executives personally and financially accountable for cybersecurity failures.

Co-op Cyberattack Costs Group an Estimated £120 Million

🔒 In its latest half-year report the Co-operative Group said it expects to lose about £120 million in profits this financial year after a cyberattack forced temporary shutdowns of parts of its IT estate. The company reported that personal data for roughly 6.5 million members was stolen, prompting operational disruption across its supermarkets as well as its financial and funeral services. The identity of the attackers remains unclear and investigations are ongoing.

Mass Exposure of Indian Bank NACH Transfer PDFs Repository

🔓 UpGuard discovered a publicly accessible Amazon S3 bucket containing roughly 273,160 PDF documents formatted as NACH MANDATE records that documented bank transfers in India. The files exposed unredacted bank account numbers, transaction amounts and, in many cases, individuals’ names, phone numbers and email addresses. A 55K-file sample (~42 GB) showed 38 financial institutions represented, with AyeFin appearing in nearly 60% of sampled records. UpGuard notified AyeFin and NPCI, escalated to CERT‑IN when the bucket continued to grow, and verified the repository was secured on September 4.

Malicious npm 'postmark-mcp' Release Exfiltrated Emails

📧 A malicious npm package posing as the official postmark-mcp project quietly added a single line of code to BCC all outgoing emails to an external address. Koi Security found the backdoor in version 1.0.16 after prior releases through 1.0.15 were verified clean. The tainted release was available for about a week and logged roughly 1,500 downloads. Users are advised to remove the package, rotate potentially exposed credentials, and run MCP servers in isolated containers before upgrading.

Co-op Reports £80M Operating Loss After Cyberattack

🔒 The Co-operative Group reported an £80 million operating profit loss in H1 2025 after an April cyberattack disrupted systems and trading. Management attributed the shortfall to £20 million of one‑off remediation costs and £60 million in lost sales while systems were offline, and said revenue fell by £206 million. The breach, linked to DragonForce and affiliates of Scattered Spider, exposed personal data for all 6.5 million members; four suspects have since been arrested. Despite the impact, Co-op reported £800 million of available liquidity and no immediate funding concerns.

Vane Viper Exposed as Major Malvertising Adtech Actor

🛡️ Infoblox, together with Guardio and Confiant, has identified Vane Viper (also known as Omnatuor) as an adtech platform that has enabled malvertising, ad fraud, and malware distribution for more than a decade. The operator used a web of shell companies and subsidiaries reportedly linked to PropellerAds and AdTech Holding to broker malicious traffic and to run its own campaigns. Researchers describe persistence tactics such as abusing browser push-notification permissions and service workers to spawn headless browser processes that continue to redirect users. Infoblox estimates Vane Viper generated roughly 1 trillion DNS queries across about half of its customer networks over the past year.

Malicious Rust crates on Crates.io exfiltrate crypto keys

🔒Two malicious Rust crates published to Crates.io scanned developer systems at runtime to harvest cryptocurrency private keys and other secrets. The packages, faster_log and async_println, mimicked a legitimate logging crate to avoid detection and contained a hidden payload that searched files and environment variables for Ethereum-style hex keys, Solana-style Base58 strings, and bracketed byte arrays. Discovered by Socket, both crates were removed and the publisher accounts suspended; affected developers are advised to clean systems and move assets to new wallets.

ShadowV2 Turns Misconfigured Docker into DDoS Service

🛡️ Darktrace researchers uncovered a ShadowV2 campaign that leverages exposed Docker APIs on AWS EC2 to provision containers and run a Go-based remote access trojan, converting misconfigured cloud containers into distributed DDoS nodes. The attackers create containers on victim hosts rather than importing malicious images, likely to reduce forensic traces, and use the Python Docker SDK to interact with exposed daemons. ShadowV2 operators employ advanced techniques including HTTP/2 rapid reset and Cloudflare evasion, and the platform includes APIs, a Tailwind/FastAPI UI and operator logins that turn botnet control into a commercialized DDoS-as-a-Service offering.

Phishing-to-PureRAT: Vietnamese Actor Upgrades Stealer

🛡️ Huntress researchers uncovered a multi-stage phishing operation that began with a Python-based infostealer and culminated in the deployment of PureRAT. The campaign used a ZIP lure containing a signed PDF reader and a malicious version.dll to achieve DLL sideloading, then progressed through ten staged loaders that shifted from obfuscated Python to compiled .NET binaries. Attackers used process hollowing against RegAsm.exe, patched Windows defenses (AMSI and ETW), and ultimately unpacked PureRAT, which communicates over encrypted C2 channels and can load additional modules. Metadata linking the activity to the handle @LoneNone and to the PXA Stealer family, plus a C2 server traced to Vietnam, supports attribution to Vietnamese threat actors.

North Korean hackers deploy new AkdoorTea backdoor

🛡️ ESET attributes a widespread recruitment-based intrusion campaign to the North Korea-linked cluster tracked as DeceptiveDevelopment, revealing a previously undocumented Windows backdoor called AkdoorTea. Active since late 2022, the operation targets software developers on Windows, Linux, and macOS, particularly in cryptocurrency and Web3, using fake recruiter outreach, video assessments and coding tasks to deliver multi-platform malware such as BeaverTail, TsunamiKit and Tropidoor. The group favors scale and social engineering while reusing dark-web projects and rented malware rather than developing wholly novel toolsets.

PXA Stealer Upgrades to Multi-Layer Chain Deploying PureRAT

🔒 A Vietnamese threat group has evolved its custom PXA Stealer campaign into a multi-layered delivery chain that ultimately deploys PureRAT, a feature-rich remote access trojan. Huntress analysts describe a ten-stage sequence beginning with a phishing copyright lure and proceeding through obfuscated Python loaders, layered encoding (Base84, AES, RC4, XOR), and .NET reflective loading. The chain includes AMSI and ETW patching, TLS certificate pinning, registry persistence, and hallowing techniques to evade detection. Huntress linked the activity to the Telegram handle @LoneNone and Vietnamese C2 infrastructure and remediated an intrusion before full module deployment.

17-Year-Old Suspected in Vegas Casino Cyberattacks Released

🔒 A 17-year-old hacker who surrendered on charges tied to sophisticated cyber intrusions against Las Vegas casinos between August and October 2023 has been released into his parents' custody under family court supervision. Authorities link the incidents to the Scattered Spider group and the deployment of BlackCat/ALPHV ransomware that disrupted operations and exposed staff and customer data. The judge imposed strict conditions including residence at a registered parental address, prohibition on leaving Clark County, internet use limited to educational purposes, and restrictions on phones and electronics, with immediate detention for violations. Prosecutors say the suspect may still control about $1.8 million in Bitcoin and are seeking additional charges and to try him as an adult.

Threatsday Bulletin: Rootkits, Supply Chain, and Arrests

🛡️ SonicWall released firmware 10.2.2.2-92sv for SMA 100-series appliances to add file checks intended to remove an observed rootkit, and moved SMA 100 end-of-support to 31 October 2025. The bulletin also flags an unpatched OnePlus SMS permission bypass (CVE-2025-10184), a GeoServer RCE compromise affecting a U.S. federal agency, and ongoing npm supply-chain and RAT campaigns. Defenders are urged to apply patches, rotate credentials, and enforce phishing-resistant MFA.

Chinese Group Uses BRICKSTORM Backdoor Against US Firms

⚠️ Google Threat Intelligence Group says a Chinese-aligned cluster has used the BRICKSTORM backdoor in intrusion campaigns since at least March 2025 against US legal and technology firms, SaaS providers and outsourcing companies. Attackers focused on harvesting emails and files from key individuals and establishing long-term footholds. The group, tracked as UNC5221, exploited zero-days, deployed BRICKSTORM on VMware appliances, and used credential theft and persistence mechanisms to evade detection. Google and partners have published detection guidance and a Mandiant scanner script to help identify infections.