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MUST READ

Cisco confirms active exploitation of ISE and ISE-PIC flaws

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SharePoint under fire: new ToolShell attacks target enterprises

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CrushFTP zero-day actively exploited at least since July 18

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Hardcoded credentials found in HPE Aruba Instant On Wi-Fi devices

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MuddyWater deploys new DCHSpy variants amid Iran-Israel conflict

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U.S. CISA urges to immediately patch Microsoft SharePoint flaw adding it to its Known Exploited Vulnerabilities catalog

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Microsoft issues emergency patches for SharePoint zero-days exploited in "ToolShell" attacks

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SharePoint zero-day CVE-2025-53770 actively exploited in the wild

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Singapore warns China-linked group UNC3886 targets its critical infrastructure

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U.S. CISA adds Fortinet FortiWeb flaw to its Known Exploited Vulnerabilities catalog

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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 54

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Security Affairs newsletter Round 533 by Pierluigi Paganini – INTERNATIONAL EDITION

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Radiology Associates of Richmond data breach impacts 1.4 million people

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Fortinet FortiWeb flaw CVE-2025-25257 exploited hours after PoC release

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Authorities released free decryptor for Phobos and 8base ransomware

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Anne Arundel Dermatology data breach impacts 1.9 million people

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LameHug: first AI-Powered malware linked to Russia’s APT28

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5 Features Every AI-Powered SOC Platform Needs in 2025

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Broadcom patches critical VMware flaws exploited at Pwn2Own Berlin 2025

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Stormous Ransomware gang targets North Country HealthCare, claims 600K patient data stolen

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hacking back

Pierluigi Paganini July 16, 2020
CIA covert operations likely behind attacks against APT34 and FSB

CIA orchestrated dozens of hacking operations against targets worldwide, including APT34 and FSB hacks, states an exclusive report from Yahoo News. In 2018, US President Trump gave to the Central Intelligence Agency (CIA) more powers to conduct covert offensive cyber operations against hostile threat actors, including Iranian and Russian APT groups and intelligence agencies. In […]

Pierluigi Paganini April 09, 2020
Australian Signals Directorate (ASD) is hacking crooks behind Coronavirus-themed attacks

The Australian government will use any means to crack down on cybercriminals exploiting the coronavirus outbreak, including hacking back. While the number of Coronavirus-themed attacks continues to increase, law enforcement agencies are spending a significant effort to detect and neutralize them. The Australian Signals Directorate (ASD) announced it will employ its offensive cyber capabilities against […]

Pierluigi Paganini October 08, 2019
Developer hacked back Muhstik ransomware crew and released keys

One of the victims of the Muhstik ransomware gang who initially paid the ransomware, decided to hack back the crooks and released their decryption keys. Tobias Frömel, is a German software developer, who was a victim of the Muhstik ransomware. Frömel initially paid the ransom to decrypt his files, but later decided to get his […]

Pierluigi Paganini August 31, 2018
Hacking The Hacker. Stopping a big botnet targeting USA, Canada and Italy

Today I’d like to share a full path analysis including a KickBack attack which took me to gain full access to an entire Ursniff/Gozi botnet. In other words:  from a simple “Malware Sample” to “Pwn the Attacker Infrastructure”. NB: Federal Police have already been alerted on such a topic as well as National and International […]

Pierluigi Paganini December 05, 2017
German Government prepares Law for backdoors and hacking back

The German Government is preparing a law that will force hardware vendors to include a backdoor in their products and to allow its unit to hack back. The German Government is preparing a law that will force hardware vendors to include a backdoor in their products. The law aims to allow law enforcement agencies to […]

Pierluigi Paganini November 05, 2016
The US Government is ready to hack back if Russia tries to hit Presidential Election

Documents and testimonials collected by the NBC news confirm US Government cyber army is ready to hack back if Russia tries to disrupt Presidential Election The alleged interference of Russian state-sponsored hackers into the 2016 Presidential election is triggering the response of the US. For the first time, a member of the US Presidential Staff has treated another country […]

Pierluigi Paganini November 01, 2016
Philip Hammond invokes an active defence of UK hacking back the attackers

The British Government announces an active defence posture in response to nation-state cyber attacks, Chancellor warns UK will retaliate against attacks. Hacking back, or “active defence” as security experts prefer to call it, is becoming a high debated argument. While the number of cyber attacks continues to increase and attackers are using even more sophisticated techniques, many Governments […]

Pierluigi Paganini October 29, 2016
Hacking back the Mirai botnet, technical and legal issues

Security researchers have found vulnerabilities in the source code of the Mirai botnet and devised a method to hack back it. The Mirai botnet, this name is familiar to security experts due to the massive DDoS attack that it powered against the Dyn DNS service a few days ago. The Mirai malware was first spotted […]

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    recent articles

    Cisco confirms active exploitation of ISE and ISE-PIC flaws

    Hacking / July 22, 2025

    SharePoint under fire: new ToolShell attacks target enterprises

    Hacking / July 22, 2025

    CrushFTP zero-day actively exploited at least since July 18

    Hacking / July 22, 2025

    Hardcoded credentials found in HPE Aruba Instant On Wi-Fi devices

    Security / July 22, 2025

    MuddyWater deploys new DCHSpy variants amid Iran-Israel conflict

    APT / July 21, 2025

    To contact me write an email to:

    Pierluigi Paganini :
    pierluigi.paganini@securityaffairs.co

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