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MUST READ

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

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UK NCA arrested four people over M&S, Co-op cyberattacks

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PerfektBlue Bluetooth attack allows hacking infotainment systems of Mercedes, Volkswagen, and Skoda

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Qantas data breach impacted 5.7 million individuals

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DoNot APT is expanding scope targeting European foreign ministries

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Nippon Steel Solutions suffered a data breach following a zero-day attack

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Iranian group Pay2Key.I2P ramps Up ransomware attacks against Israel and US with incentives for affiliates

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Hackers weaponize Shellter red teaming tool to spread infostealers

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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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Data Breach

Pierluigi Paganini October 09, 2023
Flagstar Bank suffered a data breach once again

Flagstar Bank announced a data breach suffered by a third-party service provider exposed the personal information of over 800,000 US customers. Flagstar Bank is warning 837,390 US customers that their personal information was exposed after threat actors breached the third-party service provider Fiserv. Flagstar Bank is an American commercial bank headquartered in Troy, Michigan, it is a […]

Pierluigi Paganini October 06, 2023
Ransomware attack on MGM Resorts costs $110 Million

Hospitality and entertainment company MGM Resorts announced that the costs of the recent ransomware attack costs exceeded $110 million. In September the hospitality and entertainment company MGM Resorts was hit by a ransomware attack that shut down its systems at MGM Hotels and Casinos. The incident affected hotel reservation systems in the United States and […]

Pierluigi Paganini October 05, 2023
NATO is investigating a new cyber attack claimed by the SiegedSec group

NATO is investigating claims that a group called SiegedSec has breached its systems and leaked a cache of unclassified documents online. NATO announced it is investigating claims that a politically motivated threat actor called SiegedSec has breached its systems and leaked unclassified documents online. “NATO cyber experts are actively addressing incidents affecting some unclassified NATO […]

Pierluigi Paganini October 05, 2023
Global CRM Provider Exposed Millions of Clients’ Files Online

Researcher discovered that global B2B CRM provider Really Simple Systems exposed online a non-password-protected database with million records. Cybersecurity Researcher, Jeremiah Fowler, discovered and reported to vpnMentor about a non-password protected database that contained over 3 million records. The documents appeared to be associated with internal invoices, communications, and customer’s stored CRM files. Upon further research, records […]

Pierluigi Paganini October 05, 2023
Sony sent data breach notifications to about 6,800 individuals

Sony Interactive Entertainment has notified current and former employees and their family members about a data breach. Sony Interactive Entertainment (SIE) has notified current and former employees and their family members about a data breach that exposed their personal information. Sony notified about 6,800 individuals, it confirmed that the security breach was the result of the […]

Pierluigi Paganini October 03, 2023
San Francisco’s transport agency exposes drivers’ parking permits and addresses

A misconfiguration in the Metropolitan Transportation Commission (MTC) systems caused a leak of over 26K files, exposing clients’ parking permits and home addresses. The MTC is a governmental agency responsible for regional transportation planning and financing in the San Francisco Bay Area. The latest research by Cybernews shows that the agency left public access to […]

Pierluigi Paganini October 03, 2023
European Telecommunications Standards Institute (ETSI) suffered a data breach

The European Telecommunications Standards Institute (ETSI) disclosed a data breach, threat actors had access to a database of its users. Threat actors stole a database containing the list of users of the portal of the European Telecommunications Standards Institute (ETSI). The European Telecommunications Standards Institute is an independent, not-for-profit organization based in Europe. The organization […]

Pierluigi Paganini October 02, 2023
National Logistics Portal (NLP) data leak: seaports in India were left vulnerable to takeover by hackers

The National Logistics Portal (NLP), a newly launched platform to manage all port operations in India, left public access to sensitive data, posing the risk of a potential takeover by threat actors. On September 24th, researchers discovered that the NLP platform was exposing sensitive credentials, secrets, and encryption keys via publicly available JS files. In […]

Pierluigi Paganini October 02, 2023
Ransomware attack on Johnson Controls may have exposed sensitive DHS data

Experts warn that the recent attack on building automation giant Johnson Controls may have exposed data of the Department of Homeland Security (DHS). Johnson Controls International plc is a multinational conglomerate with a diversified portfolio of products and services primarily focused on building technologies and solutions. The company provides HVAC (heating, ventilation, and air conditioning), […]

Pierluigi Paganini September 30, 2023
ALPHV/BlackCat ransomware gang hacked the hotel chain Motel One

The ALPHV/BlackCat ransomware gang added the hotel chain Motel One to the list of victims on its Tor leak site. Motel One is a German hotel chain that offers budget-friendly accommodations primarily targeted at business and leisure travelers. It is known for its stylish and design-focused hotels that aim to provide a comfortable and affordable […]

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    recent articles

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

    Hacking / July 11, 2025

    UK NCA arrested four people over M&S, Co-op cyberattacks

    Cyber Crime / July 10, 2025

    PerfektBlue Bluetooth attack allows hacking infotainment systems of Mercedes, Volkswagen, and Skoda

    Hacking / July 10, 2025

    Qantas data breach impacted 5.7 million individuals

    Data Breach / July 10, 2025

    DoNot APT is expanding scope targeting European foreign ministries

    APT / July 10, 2025

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    pierluigi.paganini@securityaffairs.co

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