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MUST READ

Athlete or Hacker? Russian basketball player accused in U.S. ransomware case

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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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FBI

Pierluigi Paganini May 27, 2022
FBI: Compromised US academic credentials available on various cybercrime forums

The FBI warns organizations in the higher education sector of credentials sold on cybercrime forums that can allow threat actors to access their networks. The FBI issued an alert to inform the higher education sector about the availability of login credentials on dark web forums that can be used by threat actors to launch attacks […]

Pierluigi Paganini April 25, 2022
BlackCat Ransomware gang breached over 60 orgs worldwide

At least 60 entities worldwide have been breached by BlackCat ransomware, warns a flash report published by the U.S. FBI. The U.S. Federal Bureau of Investigation (FBI) published a flash report that states that at least 60 entities worldwide have been breached by BlackCat ransomware (aka ALPHV and Noberus) since it started its operations in November. […]

Pierluigi Paganini March 08, 2022
Ragnar Locker ransomware group breached at least 52 organizations across 10 critical infrastructure sectors

The US FBI warns that the Ragnar Locker ransomware gang has breached the networks of at least 52 organizations from multiple US critical infrastructure sectors. The US Federal Bureau of Investigation (FBI) and CISA published a flash alert to warn that the Ragnar Locker ransomware gang has breached the networks of at least 52 organizations across […]

Pierluigi Paganini March 01, 2022
CISA and FBI warn of potential data wiping attacks spillover

US CISA and the FBI warned US organizations that data wiping attacks targeting Ukraine entities could spill over to targets worldwide. The Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) published a joint cybersecurity advisory to warn US organizations of data wiping attacks targeting Ukraine that could hit targets worldwide. […]

Pierluigi Paganini February 14, 2022
BlackByte ransomware breached at least 3 US critical infrastructure organizations

The US Federal Bureau of Investigation (FBI) said that the BlackByte ransomware gang has breached at least three organizations from US critical infrastructure sectors. The US Federal Bureau of Investigation (FBI) published a joint cybersecurity advisory with the US Secret Services which revealed that the BlackByte ransomware group has breached at least three organizations from US critical […]

Pierluigi Paganini February 10, 2022
US citizens lost more than $68M to SIM swap attacks in 2021, FBI warns

The Federal Bureau of Investigation (FBI) warns of an escalation in SIM swap attacks that caused millions of losses. The Federal Bureau of Investigation (FBI) observed an escalation in SIM swap attacks aimed at stealing millions from the victims by hijacking their mobile phone numbers. The FBI reported that US citizens have lost more than […]

Pierluigi Paganini February 05, 2022
FBI issued a flash alert on Lockbit ransomware operation

The FBI released a flash alert containing technical details associated with the LockBit ransomware operation. The Federal Bureau of Investigation (FBI) has issued a flash alert containing technical details and indicators of compromise associated with LockBit ransomware operations. The LockBit ransomware gang has been active since September 2019, in June 2021 the group announced the LockBit 2.0 RaaS. Like […]

Pierluigi Paganini December 01, 2021
FBI training document shows lawful access to multiple encrypted messaging apps

Which are the most secure encrypted messaging apps? An FBI document shows what data can be obtained from them. The Record shared an FBI training document that reveals the surveillance capabilities of the US law enforcement detailing which data can be extracted from encrypted messaging apps. The document analyzes lawful access to multiple encrypted messaging […]

Pierluigi Paganini November 25, 2021
FBI warns of crooks targeting online shoppers during the holiday season

The Federal Bureau of Investigation (FBI) warns of cybercriminals targeting online shoppers during the holiday season. The FBI warns of cyber criminals targeting online shoppers during the holiday season. In this period netizens hope to take advantage of online bargains and are more active online, for this reason they are more exposed to the risk […]

Pierluigi Paganini November 23, 2021
US govt warns critical infrastructure of ransomware attacks during holidays

US CISA and the FBI issued a joint alert to warn critical infrastructure partners and public/private organizations of ransomware attacks during holidays. The Cybersecurity and Infrastructure Security Agency (CISA) and the FBI warn critical infrastructure partners of ransomware attacks during the holiday season. During this period offices are often closed and employees are at home, […]

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    recent articles

    Athlete or Hacker? Russian basketball player accused in U.S. ransomware case

    Uncategorized / July 11, 2025

    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

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    pierluigi.paganini@securityaffairs.co

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