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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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Internet of Things

Pierluigi Paganini April 23, 2021
New Qlocker ransomware infected hundreds of QNAP NAS devices in a few days

A new ransomware strain dubbed Qlocker is infecting hundreds of QNAP NAS devices every day and demanding a $550 ransom payment. Experts are warning of a new strain of ransomware named Qlocker that is infecting hundreds of QNAP NAS devices on daily bases. The malware moves all files stored on the device to password-protected 7zip […]

Pierluigi Paganini April 20, 2021
Watch out, hackers can take over your Cosori Smart Air Fryer

Watch out, hackers could breach into your house by exploiting two remote code execution (RCE) vulnerabilities in the Cosori Smart Air Fryer. Security experts from Cisco Talos have found two remote code execution (RCE) vulnerabilities in the Cosori Smart Air Fryer. The Cosori Smart Air Fryer is an appliance with smart capabilities that cooks food […]

Pierluigi Paganini April 02, 2021
Tens of thousands of QNAP SOHO NAS devices affected by unpatched RCEs

Unpatched vulnerabilities in QNAP small office/home office (SOHO) network-attached storage (NAS) devices could be exploited by remote attackers to remotely execute arbitrary code. Security researchers at SAM Seamless Network discovered a couple of critical unpatched flawsin QNAP small office/home office (SOHO) network-attached storage (NAS) devices that could allow remote attackers to execute arbitrary code on […]

Pierluigi Paganini March 28, 2021
QNAP urges users to take action to protect devices against Brute-Force attacks

Taiwanese manufacturer QNAP published an alert urging its customers to secure their devices after a growing number of users reported that their devices have been hit by brute-force attacks. This week the Taiwanese vendor QNAP has published an alert urging users to secure their devices after a growing number of users reported that their devices […]

Pierluigi Paganini March 14, 2021
Experts found 15 flaws in Netgear JGS516PE switch, including a critical RCE

Netgear has released security and firmware updates for its JGS516PE Ethernet switch to address 15 vulnerabilities, including a critica remote code execution issue. Netgear has released security and firmware updates to address 15 vulnerabilities in its JGS516PE Ethernet switch, including an unauthenticated remote code execution flaw rated as critical. The flaws were discovered by researchers […]

Pierluigi Paganini March 08, 2021
UnityMiner targets unpatched QNAP NAS in cryptocurrency mining campaign

Experts warn of ongoing attacks targeting QNAP network-attached storage (NAS) devices to abuse them in cryptocurrency mining. Researchers at 360Netlab are warning of a cryptocurrency malware campaign targeting unpatched QNAP network-attached storage (NAS) devices. Threat actors are exploiting two unauthorized remote command execution vulnerabilities, tracked as CVE-2020-2506 & CVE-2020-2507, in the Helpdesk app that have been fixed by the […]

Pierluigi Paganini February 23, 2021
NurseryCam daycare cam service shut down after security breach

Daycare camera product NurseryCam was hacked last week, the company was forced to shut down its IoT camera service. On Friday, The Register become aware of the compromise of the NurseryCam network. NurseryCam is produced by the companies FootfallCam Ltd and Meta Technologies Ltd. In response to the incident, the company shut down its IoT […]

Pierluigi Paganini February 06, 2021
Experts found critical flaws in Realtek Wi-Fi Module

Critical flaws in the Realtek RTL8195A Wi-Fi module could have been exploited to gain root access and take over devices’ wireless communications. Researchers from Israeli IoT security firm Vdoo found six vulnerabilities in the Realtek RTL8195A Wi-Fi module that could have been exploited to gain root access and take control of a device’s wireless communications. […]

Pierluigi Paganini January 21, 2021
Dovecat crypto-miner is targeting QNAP NAS devices

QNAP is warning customers of a new piece of malware dubbed Dovecat that is targeting NAS devices to mine cryptocurrency. Taiwanese vendor QNAP has published a security advisory to warn customers of a new piece of malware named Dovecat that is targeting NAS devices. The malware was designed to abuse NAS resources and mine cryptocurrency. The malware […]

Pierluigi Paganini January 18, 2021
President Biden’s Peloton exercise equipment under scrutiny

President Joe Biden can’t bring his Peloton exercise equipment to the White House due to security reasons. According to a Popular Mechanics report, President Joe Biden is going to move to the White House and likely he will have to give up his Peloton exercise equipment for security reasons. Peloton exercise equipment’s popularity surged during […]

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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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