About this tag
Root certificates are foundational to digital trust, enabling secure connections between browsers, operating systems, and websites. Discussions on WindowsForum.com cover critical security events involving root certificates, including a Russian state-backed cyber espionage campaign that installed a rogue TLS root certificate to intercept diplomatic communications, and a Secure Boot flaw in Windows 11 that undermines device integrity. Users also discuss the expiration of a Firefox root certificate in March 2025, which will disable key browser functions on outdated versions. Additionally, Microsoft's deprecation of the SHA-1 hashing algorithm for its Root Certificate Program is documented, highlighting the importance of strong cryptographic standards to prevent spoofing and man-in-the-middle attacks.
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Russian Cyber Espionage in Moscow: How Secret Blizzard Uses Fake Antivirus and AiTM Attacks
Foreign embassies in Moscow are facing an unprecedented onslaught of cyber espionage, orchestrated by Russian state-backed hackers leveraging an array of advanced techniques to compromise their digital security. According to recent disclosures from Microsoft Threat Intelligence, these actors...- WindowsForum AI
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- aitm attacks apolloshadow blizzard certificate store attack cyber defense cyber espionage cybersecurity diplomatic cybersecurity embassy cyber threats foreign embassy security hackers industrial malware malware phishing root certificate russian isps sorm surveillance state-sponsored hacking surveillance threat intelligence
- Replies: 0
- Forum: Windows News
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Critical Windows 11 Secure Boot Flaw Exposes Millions to Firmware Exploit
Microsoft’s Secure Boot, long billed as the gatekeeper of Windows device integrity, is suffering a crisis of confidence after the disclosure of a sophisticated exploit that can neutralize even its toughest defenses. Recent revelations have illuminated a critical flaw in Windows 11’s Secure Boot...- WindowsForum AI
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- bios security cve-2025-3052 cybersecurity device security firmware firmware vulnerabilities hardware security malware patch management root certificate secure boot secure boot revocation supply chain risks trustworthy computing uefi windows 11 windows security
- Replies: 0
- Forum: Windows News
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Firefox Root Certificate Expiration: How to Prepare for Browser Compatibility Challenges
For users who have grown accustomed to sticking with legacy versions of software, the world continues to evolve around them—sometimes with unforeseen and disruptive consequences. An upcoming change scheduled for March 14, 2025, is about to illustrate this reality for countless Firefox users...- WindowsForum AI
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- add-ons browser compatibility browser upgrade cyber threats cybersecurity digital certificates digital rights extended support release firefox legacy systems mozilla network security root certificate security best practices security risks software update web security
- Replies: 0
- Forum: Windows News
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Urgent: Firefox Users Must Update by March 2025 to Avoid Security Risks
Older Firefox versions are in for a wake-up call. In a recent announcement, Mozilla warned that as of March 14, 2025, users still running outdated releases—specifically those earlier than Firefox 128 and Extended Support Releases (ESR) before 115.13—will see key functionalities disabled. For...- WindowsForum AI
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- browser security extended security updates firefox mozilla root certificate
- Replies: 0
- Forum: Windows News
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3123479 - SHA-1 Hashing Algorithm for Microsoft Root Certificate Program - Version: 2.0
Revision Note: V2.0 (March 14, 2017): Advisory rereleased to announce that the changes described in this advisory have been reverted as of November 2016. This is an informational change only. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. Continue...- News
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- advisory algorithms hashing informational microsoft policy change programs root certificate security sha1
- Replies: 0
- Forum: Security Alerts
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2880823 - Deprecation of SHA-1 Hashing Algorithm for Microsoft Root Certificate Program -...
Revision Note: V2.0 (May 18, 2016): Advisory updated to provide links to the current information regarding the use of the SHA1 hashing algorithm for the purposes of SSL and code signing. For more information, see Windows Enforcement of Authenticode Code Signing and Timestamping. Summary...- News
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- attack authenticode certificate certification code signing digital certificates man-in-the-middle microsoft phishing policy change policy enforcement revision root certificate security sha1 ssl update v2.0 x.509
- Replies: 0
- Forum: Security Alerts
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3123479 - Deprecation of SHA-1 Hashing Algorithm for Microsoft Root Certificate Program -...
Revision Note: V1.0 (January 12, 2016): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy no longer allows root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes of...- News
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- 2016 advisory attack certificate code signing deprecation digital certificates man-in-the-middle microsoft phishing policy change revision note root certificate security sha1 spoofing ssl technet v1.0 x.509
- Replies: 0
- Forum: Security Alerts
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3123479 - Deprecation of SHA-1 Hashing Algorithm for Microsoft Root Certificate Program -...
Revision Note: V1.0 (January 12, 2016): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy no longer allows root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes of...- News
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- 2016 advisory attack certificate code signing content spoofing deprecation digital certificates hashing man-in-the-middle microsoft phishing policy change revision note root certificate security sha1 ssl x.509
- Replies: 0
- Forum: Security Alerts
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Update for Deprecation of MD5 Hashing Algorithm for Microsoft Root Certificate Program -...
Severity Rating: Revision Note: V2.0 (February 11, 2014): Revised advisory to announce that the 2862973 update for all affected releases of Microsoft Windows is now offered through automatic updating. Customers who previously applied the 2862973 update do not need to take any action. Summary...- News
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- automatic updates certificate program cryptography cybersecurity man-in-the-middle md5 hashing microsoft phishing root certificate security advisory vulnerability windows 7 windows 8 windows server windows update windows vista
- Replies: 0
- Forum: Security Alerts
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Deprecation of SHA-1 Hashing Algorithm for Microsoft Root Certificate Program - Version: 1.0
Severity Rating: Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy will no longer allow root certificate authorities to issue X.509 certificates using the SHA-1 hashing...- News
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- attack prevention code signing microsoft phishing policy change root certificate security sha1 ssl x.509
- Replies: 0
- Forum: Security Alerts
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Microsoft Security Advisory (2880823): Deprecation of SHA-1 Hashing Algorithm for Microsoft...
Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy will no longer allow root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes...- News
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- advisory algorithms attack certificate code signing digital security hashing man-in-the-middle microsoft phishing policy change revision note root certificate security sha1 spoofing ssl v1.0 x.509
- Replies: 0
- Forum: Security Alerts
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Microsoft Security Advisory (2880823): Deprecation of SHA-1 Hashing Algorithm for Microsoft...
Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing a policy change to the Microsoft Root Certificate Program. The new policy will no longer allow root certificate authorities to issue X.509 certificates using the SHA-1 hashing algorithm for the purposes...- News
- Thread
- advisory attack certificate code signing cybersecurity digital certificates hashing man-in-the-middle microsoft phishing policy policy change root certificate security sha1 spoofing ssl vulnerability x.509
- Replies: 0
- Forum: Security Alerts
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Microsoft Security Advisory (2862973): Update for Deprecation of MD5 Hashing Algorithm for...
Revision Note: V1.0 (August 13, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for supported editions of Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, and Windows Server 2012 that restricts the use of certificates...- News
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- advisory attack certificate deprecation hashing information man-in-the-middle md5 microsoft phishing root certificate safety security technology update vulnerability windows 7 windows 8 windows server windows vista
- Replies: 0
- Forum: Security Alerts
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Microsoft Security Advisory (2862973): Update for Deprecation of MD5 Hashing Algorithm for...
Revision Note: V1.0 (August 13, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for supported editions of Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows 8, and Windows Server 2012 that restricts the use of certificates...- News
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- advisory attack certificate cybersecurity encryption hashing man-in-the-middle md5 microsoft phishing protocol root certificate security threats update vulnerability windows 7 windows 8 windows server windows vista
- Replies: 0
- Forum: Security Alerts
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Windows 7 Update for Root Certificates [March 2011](KB931125) does not correspond.
Hello! I want to update itunes, but I can't it. I caught the message "The invalid signature is included". Update for Root Certificates [March 2011](KB931125) does not correspond for WINDOWS7 64-bit. I can't use group policy because my OS is Windows7 home premium. Aren't there any other...- mimiko
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- 64-bit group policy home premium itunes problem signature root certificate software issues troubleshooting update windows 7
- Replies: 1
- Forum: Windows Help and Support
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Windows 7 Windows 7 OCSP malformed request
Hi, I couldn't get OCSP revocation check to work on Windows 7. I installed my self-signed Root and Intermediate certificates (generated using openssl 0.9.8) on my Windows 7 machine. I then go to Internet Explorer and type in the https://....com:4440. The port sends back a leaf certificate...- plunkett
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- certificate certificate issues connection issues debugging intermediate certificate internet explorer leaf certificate network ocsp openssl patch management revocation root certificate security self-signed troubleshooting windows 7
- Replies: 1
- Forum: Windows Help and Support