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MUST READ

U.S. CISA urges FCEB agencies to fix two Microsoft SharePoint flaws immediately and added them to its Known Exploited Vulnerabilities catalog

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Sophos fixed two critical Sophos Firewall vulnerabilities

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French Authorities confirm XSS.is admin arrested in Ukraine

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Microsoft linked attacks on SharePoint flaws to China-nexus actors

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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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Let’s encrypt

Pierluigi Paganini March 04, 2020
Let’s Encrypt CA is revoking over 3 Million TLS certificates due to a bug

Let’s Encrypt is going to revoke over 3 million certificates today due to a flaw in the software used to verify users and their domains before issuing a certificate. Let’s Encrypt certificate authority (CA) is going to revoke over 3 million certificates today due to a vulnerability in software used to verify users and their […]

Pierluigi Paganini April 11, 2016
WordPress pushes Free HTTPS Encryption for all its blogs

WordPress announces “HTTPS Everywhere, Encryption for All WordPress.com Sites,” millions websites will be secured without users’ effort. WordPress is pushing free default SSL for all the website running the popular CMS and hosted on WordPress.com, that means over 26% of websites based on the most popular CMSs on the web will be secured (Statistics by W3techs). […]

Pierluigi Paganini March 09, 2016
Let’s Encrypt has already issued one Million certificates

The Electronic Frontier Foundation announced that the Let’s Encrypt Certificate Authority issued its millionth certificate. The open Certificate Authority (CA) Let’s Encrypt seems to be a success, the EFF is reaching its goals with the creation of this new certificate authority run by Internet Security Research Group (ISRG). IT giants like Mozilla, Cisco, Akamai, Automattic and […]

Pierluigi Paganini May 03, 2015
Mozilla Fundation, a step toward to full HTTPS implementation

The Mozilla Foundation is starting the operations to phase the HTTP connections in the Firefox browser according to “encrypt the Web” movement. According to roadmap defined by the Mozilla Foundation, the organization has started the process to move toward full HTTPS enforcement in Firefox browser In November 2014 the Electronic Frontier Foundation (EFF) and other firms, […]

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    recent articles

    U.S. CISA urges FCEB agencies to fix two Microsoft SharePoint flaws immediately and added them to its Known Exploited Vulnerabilities catalog

    Hacking / July 23, 2025

    Sophos fixed two critical Sophos Firewall vulnerabilities

    Security / July 23, 2025

    French Authorities confirm XSS.is admin arrested in Ukraine

    Cyber Crime / July 23, 2025

    Microsoft linked attacks on SharePoint flaws to China-nexus actors

    APT / July 23, 2025

    Cisco confirms active exploitation of ISE and ISE-PIC flaws

    Hacking / July 22, 2025

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    pierluigi.paganini@securityaffairs.co

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