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MUST READ

Microsoft Patch Tuesday security updates for July 2025 fixed a zero-day

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Italian police arrested a Chinese national suspected of cyberespionage on a U.S. warrant

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U.S. CISA adds MRLG, PHPMailer, Rails Ruby on Rails, and Synacor Zimbra Collaboration Suite flaws to its Known Exploited Vulnerabilities catalog

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IT Worker arrested for selling access in $100M PIX cyber heist

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New Batavia spyware targets Russian industrial enterprises

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Taiwan flags security risks in popular Chinese apps after official probe

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U.S. CISA adds Google Chromium V8 flaw to its Known Exploited Vulnerabilities catalog

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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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Malware

Pierluigi Paganini November 04, 2015
CryptoWall 4.0 Released with a New Look and Several New Features

The fourth member of the CryptoWall family of ransomware, CryptoWall 4.0, has just been released, complete with new features and a brand new look. We recently reported that CryptoWall 3.0 has allegedly caused over $325 million in annual damages. CryptoWall first emerged in April 2014. Its first major upgrade was dubbed CryptoWall 2.0, and first emerged in October […]

Pierluigi Paganini November 03, 2015
Chimera, a new strain of ransomware in the wild

According to a German website, there is a new strain of ransomware dubbed Chimera that also threatens to publish personal data on the Internet. A new strain of ransomware is targeting German companies, it is named Chimera and this time crooks don’t limit their extortion scheme to the file encrypting, they are also threatening victims […]

Pierluigi Paganini November 03, 2015
More than 100 Million Android users at risk due to the Baidu Moplus SDK

A vulnerability known as Wormhole affects the Baidu Moplus SDK and potentially exposes more than 100 Million users to cyber attacks. The Moplus software development kit (SDK) distributed by the Chinese Search Engine Baidu includes a functionality that can be exploited to gain access to the user’s device. The backdoor-like feature potentially exposes more than 100 Million Android users to cyber attacks. […]

Pierluigi Paganini November 02, 2015
Criminals behind CryptoWall 3.0 Made $325 Million

Security researchers of the Cyber Threat Alliance have conducted an investigation into the cybercriminal operations leveraging CryptoWall 3.0 ransomware. Brief Background Ransomware, specifically crypto-ransomware, is a malware classification that encompasses Trojans that enumerate the file system of an infected host, in order to discover and compromise any and every document possible. Crypto-ransomware encrypts the contents of […]

Pierluigi Paganini October 31, 2015
How CoinVault or Bitcryptor victims could try to recover their files

Victims of CoinVault ransomware can now rely on a new set of encryption keys added to the free CoinVault Ransomware Decryptor tool to recover their files. Every day, dozens of users ask me how to decrypt their data locked by various ransomware such as CoinVault or Bitcryptor? Now I have a good news for them, […]

Pierluigi Paganini October 29, 2015
European Police Agencies declare war on DroidJack RAT

Authorities in several European countries announced they have coordinated an operation to arrest criminals using the popular DroidJack RAT. Android RATs are becoming very popular in the criminal underground, a recent research conducted by Recorded Future demonstrated that interest in the DroidJack and AndroRAT, especially in the Middle East and Africa. Mobile spyware is widely adopted […]

Pierluigi Paganini October 29, 2015
Chikdos cross-platform DDoS botnet hit SQL servers worldwide

Experts at Symantec have discovered a new variant of  the Chikdos DDoS-Trojan that is targeting MySQL servers worldwide. There is a malware in the wild that abuses MySQL Servers for DDoS Attacks, the experts named it Chikdos. The threat was detected for the first time by the Polland CERT and according to the experts it has […]

Pierluigi Paganini October 27, 2015
Dridex Botnets are still active and effective

The Dridex Banking Trojan has risen again despite the recent operation conducted by law enforcement on a global scale. Spam campaign relying on the Dridex malware continues to threaten banking users across the world despite the operations conducted by law enforcement on a global scale. We left Dridex malware spreading across the Europe, in particular targeting […]

Pierluigi Paganini October 27, 2015
Duuzer, a data stealer Trojan targets South Korean organizations

Researchers at Symantec uncovered bad actors that have been using a backdoor Trojan dubbed Duuzer to target organizations in South Korea and elsewhere. According to Symantec, threat actors have been using a data stealer Trojan dubbed Duuzer to target organizations mainly located in South Korea. The bad actors conducted targeted attacks against organizations in the manufacturing […]

Pierluigi Paganini October 25, 2015
Germany probes alleged new case of US espionage: Regin malware infected Gov laptop

The German authorities have launched a probe into allegations of a new case of US espionage after they have found a laptop infected by the Regin Spyware. The German authorities have launched a probe into allegations of a new cyber-espionage campaign that is suspected to be linked to the US intelligence. The news was revealed […]

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    recent articles

    Microsoft Patch Tuesday security updates for July 2025 fixed a zero-day

    Security / July 08, 2025

    Italian police arrested a Chinese national suspected of cyberespionage on a U.S. warrant

    Intelligence / July 08, 2025

    U.S. CISA adds MRLG, PHPMailer, Rails Ruby on Rails, and Synacor Zimbra Collaboration Suite flaws to its Known Exploited Vulnerabilities catalog

    Hacking / July 08, 2025

    IT Worker arrested for selling access in $100M PIX cyber heist

    Cyber Crime / July 08, 2025

    New Batavia spyware targets Russian industrial enterprises

    Malware / July 07, 2025

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