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MUST READ

Hunters International ransomware gang shuts down and offers free decryption keys to all victims

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 52

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Security Affairs newsletter Round 531 by Pierluigi Paganini – INTERNATIONAL EDITION

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North Korea-linked threat actors spread macOS NimDoor malware via fake Zoom updates

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Critical Sudo bugs expose major Linux distros to local Root exploits

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Google fined $314M for misusing idle Android users' data

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A flaw in Catwatchful spyware exposed logins of +62,000 users

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China-linked group Houken hit French organizations using zero-days

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Cybercriminals Target Brazil: 248,725 Exposed in CIEE One Data Breach

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Europol shuts down Archetyp Market, longest-running dark web drug marketplace

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Kelly Benefits data breach has impacted 550,000 people, and the situation continues to worsen as the investigation progresses

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Cisco removed the backdoor account from its Unified Communications Manager

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U.S. Sanctions Russia's Aeza Group for aiding crooks with bulletproof hosting

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Qantas confirms customer data breach amid Scattered Spider attacks

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CVE-2025-6554 is the fourth Chrome zero-day patched by Google in 2025

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U.S. CISA adds TeleMessage TM SGNL flaws to its Known Exploited Vulnerabilities catalog

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A sophisticated cyberattack hit the International Criminal Court

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Esse Health data breach impacted 263,000 individuals

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Europol dismantles €460M crypto scam targeting 5,000 victims worldwide

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CISA and U.S. Agencies warn of ongoing Iranian cyber threats to critical infrastructure

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IT Information Security

Pierluigi Paganini March 02, 2023
GunAuction site was hacked and data of 565k accounts were exposed

Hackers compromised the website GunAuction.com, a website that allows people to buy and sell guns, and stole users’ data. Hackers have compromised GunAuction.com, a website that allows people to buy and sell guns, TechCrunch reported. The attackers have stolen sensitive personal data from more than 550,000 users. Compromised customers’ data include full names, home addresses, email […]

Pierluigi Paganini March 02, 2023
Cryptojacking campaign targets insecure deployments of Redis servers

Researchers from Cado Security discovered a cryptojacking campaign targeting misconfigured Redis database servers. Cado Labs researchers recently discovered a new cryptojacking campaign targeting insecure deployments of Redis database servers. Threat actors behind this campaign used the free and open source command line file transfer service transfer.sh. The attackers likely used the legitimate transfer.sh service is an attempt […]

Pierluigi Paganini March 02, 2023
Cisco fixed a critical command injection bug in IP Phone Series

Cisco addressed a critical vulnerability, tracked as CVE-2023-20078, impacting its IP Phone 6800, 7800, 7900, and 8800 Series products. Cisco released security updates to address a critical flaw impacting its IP Phone 6800, 7800, 7900, and 8800 Series products. The flaw, tracked as CVE-2023-20078 (rated 9.8 out of 10), is a command injection issue that resides […]

Pierluigi Paganini March 02, 2023
Threat actors target law firms with GootLoader and SocGholish malware

Cyber criminals are targeting law firms with GootLoader and FakeUpdates (aka SocGholish) malware families. Researchers from eSentire have foiled 10 cyberattacks targeting six different law firms throughout January and February of 2023. The firms were targeted as part of two distinct campaigns aimed at distributing GootLoader and FakeUpdates (aka SocGholish) malware. “The attacks emanated from two separate threat […]

Pierluigi Paganini March 01, 2023
Canada is going to ban TikTok on government mobile devices

The Canadian government announced it will ban the video app TikTok from all government-issued devices over security concerns. Canada is going to ban the popular Chinese video-sharing app TikTok from the mobile devices of its employees over security concerns. The app will be removed from government devices this week. The app “presents an unacceptable level […]

Pierluigi Paganini March 01, 2023
BlackLotus is the first bootkit bypassing UEFI Secure Boot on Windows 11

ESET discovered a stealthy Unified Extensible Firmware Interface (UEFI) bootkit dubbed BlackLotus that is able to bypass the Secure Boot on Windows 11. Researchers from ESET discovered a new stealthy Unified Extensible Firmware Interface (UEFI) bootkit, named BlackLotus, that is able to bypass Secure Boot on Windows 11. Secure Boot is a security feature of the […]

Pierluigi Paganini March 01, 2023
Satellite TV giant Dish admitted that the recent outage was caused by a ransomware attack

Satellite TV giant Dish Network has confirmed that the recent outage was caused by a ransomware attack, it also disclosed a data breach. Satellite TV giant Dish Network finally admitted that the recent outage was caused by a ransomware attack. The American satellite broadcast provider went offline on February 24, 2023, the outage impacted Dish.com, […]

Pierluigi Paganini March 01, 2023
Parallax RAT used in attacks aimed at cryptocurrency entities

Experts warn of a new wave of attacks against cryptocurrency entities, threat actors are using a RAT dubbed Parallax RAT for Infiltration. Researchers from cybersecurity firm Uptycs warns of attacks targeting cryptocurrency organizations with the Parallax remote access Trojan (RAT). Parallax RAT has been distributed through malvertising and phishing campaigns since December 2019. The malware supports […]

Pierluigi Paganini March 01, 2023
Google Gmail client-side encryption is available globally

Gmail client-side encryption (CSE) is now available for Workspace Enterprise Plus, Education Plus, and Education Standard customers. Google announced that Gmail client-side encryption (CSE) is now available for all Google Workspace Enterprise Plus, Education Plus, and Education Standard customers. In December, Google announced end-to-end encryption for Gmail (E2EE), with Gmail client-side encryption beta users can […]

Pierluigi Paganini February 28, 2023
Bitdefender released a free decryptor for the MortalKombat Ransomware family

Antivirus company Bitdefender has released a free decryptor for the recently discovered ransomware family MortalKombat. Good news for the victims of the recently discovered MortalKombat ransomware, the antivirus firm Bitdefender has released a free decryptor that will allow them to recover their file without paying the ransom. Since December 2022, Cisco Talos researchers have been observing an unidentified financially […]

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    recent articles

    Hunters International ransomware gang shuts down and offers free decryption keys to all victims

    Cyber Crime / July 06, 2025

    SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 52

    Security / July 06, 2025

    Security Affairs newsletter Round 531 by Pierluigi Paganini – INTERNATIONAL EDITION

    Breaking News / July 06, 2025

    North Korea-linked threat actors spread macOS NimDoor malware via fake Zoom updates

    Malware / July 05, 2025

    Critical Sudo bugs expose major Linux distros to local Root exploits

    Security / July 04, 2025

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