cryptography

  1. Microsoft Security Advisory (2868725): Update for Disabling RC4 - Version: 1.0

    Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for supported editions of Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, and Windows RT to address known weaknesses in RC4. The update supports the...
    • News
    • Thread
    • advisory cipher cryptography microsoft rc4 security update windows 7 windows 8 windows server
    • Replies: 0
    • Forum: Security Alerts

  2. Microsoft Security Advisory (2868725): Update for Disabling RC4 - Version: 1.0

    Revision Note: V1.0 (November 12, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update for supported editions of Windows 7, Windows Server 2008 R2, Windows 8, Windows Server 2012, and Windows RT to address known weaknesses in RC4. The update supports the...
    • News
    • Thread
    • advisory application cipher cryptography cybersecurity developers microsoft rc4 registry schannel security supported editions update v1.0 version 1.0 weakness windows 7 windows 8 windows server
    • Replies: 0
    • Forum: Security Alerts

  3. How to restrict the use of certain cryptographic algorithms and protocols in Schannel.dll

    Link Removed
    • News
    • Thread
    • algorithms configuration cryptography protocol restrictions schannel security windows
    • Replies: 0
    • Forum: Knowledge Base (KB)

  4. Microsoft Security Advisory (2854544): Updates to Improve Cryptography and Digital Certificate...

    Revision Note: V1.1 (August 13, 2013): Added the 2862966 and 2862973 updates to the Available Updates and Release Notes section. Summary: Microsoft is announcing the availability of updates as part of ongoing efforts to improve cryptography and digital certificate handling in Windows. Microsoft...
    • News
    • Thread
    • advisory cryptography digital certificates infrastructure microsoft security threats update windows
    • Replies: 1
    • Forum: Security Alerts

  5. Microsoft Security Advisory (2854544): Update to Improve Cryptography and Digital Certificate...

    Revision Note: V1.0 (June 11, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update as part of ongoing efforts to improve cryptography and digital certificate handling in Windows. Over the course of months, Microsoft will continue to announce additional...
    • News
    • Thread
    • advisory cryptography digital certificates handling infrastructure microsoft security threats update windows
    • Replies: 0
    • Forum: Security Alerts

  6. MS12-049 - Important : Vulnerability in TLS Could Allow Information Disclosure (2655992) -...

    Severity Rating: Important Revision Note: V1.1 (July 9, 2013): Bulletin revised to announce a detection change in the Windows Vista packages for the 2655992 update to correct a Windows Update reoffering issue. This is a detection change only. Customers who have already successfully updated their...
    • News
    • Thread
    • cipher suites cryptography information disclosure security threat mitigation tls update vulnerability windows vista
    • Replies: 0
    • Forum: Security Alerts

  7. Microsoft Security Advisory (2854544): Update to Improve Cryptography and Digital Certificate...

    Revision Note: V1.0 (June 11, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update as part of ongoing efforts to improve cryptography and digital certificate handling in Windows. Over the course of months, Microsoft will continue to announce additional...
    • News
    • Thread
    • advisory cryptography digital certificates infrastructure microsoft security threats update windows
    • Replies: 0
    • Forum: Security Alerts

  8. Improved cryptography infrastructure and the June 2013 bulletins

    It was just over one year ago, May 28, 2012, to be exact, that I transitioned from running active MSRC cases and writing bulletins to my current role managing software security incidents. A lot has changed in that year - and I’ve dealt with some interesting issues during my tenure - but...
    • News
    • Thread
    • certificate consumer protection cryptography cumulative update deployment priority digital certificates internet explorer june 2013 microsoft office pki remote code execution security security advisories software security trustworthy computing update management vulnerabilities windows 7 windows update windows vista
    • Replies: 0
    • Forum: Security Alerts

  9. Microsoft Security Advisory (2854544): Update to Improve Cryptography and Digital Certificate Handli

    Revision Note: V1.0 (June 11, 2013): Advisory published. Summary: Microsoft is announcing the availability of an update as part of ongoing efforts to improve cryptography and digital certificate handling in Windows. Over the course of months, Microsoft will continue to announce...
    • News
    • Thread
    • advisory cryptography digital certificates handling infrastructure microsoft security threats update
    • Replies: 0
    • Forum: Security Alerts

  10. "System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing" security s

    Link Removed
    • News
    • Thread
    • cryptography encryption fips hashing security signing
    • Replies: 0
    • Forum: Knowledge Base (KB)

  11. RSA key length is increased to 2048 bits for AD RMS in Windows 7 or in Windows Server 2008 R2

    More...
    • News
    • Thread
    • 2048 bits cryptography key length rms rsa security server 2008 update windows 7 windows server
    • Replies: 0
    • Forum: Knowledge Base (KB)

  12. Verifying update hashes

    Some of you may have noticed us improving our defense-in-depth practices for bulletins by supplying sha1 and sha2 hashes in the Knowledge Base (KB) articles. This has been most visible in the KB with the addition of the “File hash information” section, but it is also noted in the...
    • News
    • Thread
    • automatic updates code integrity cryptography defense in depth download verification faq file check file hash hashes improvements kb article microsoft msu files powershell scripting security sha1 sha256 trustworthy computing update
    • Replies: 0
    • Forum: Security Alerts

  13. Microsoft Security Advisory (2661254): Update For Minimum Certificate Key Length - Version: 1.2

    Revision Note: V1.2 (September 11, 2012): Clarified that applications and services that use RSA keys for cryptography and call into the CertGetCertificateChain function could be impacted by this update. Examples of these applications and services include but are not limited to encrypted email...
    • News
    • Thread
    • advisory application attack certificate cryptography encryption fraud key length microsoft phishing pki security revision note rsa keys security services spoofing ssl tls update windows
    • Replies: 0
    • Forum: Security Alerts
  14. T

    Windows 7 Problem connecting with a Windows CP computer

    Ok, so I just got my Windows 7 on my HP 6530b laptop, and I have stored my documents on my fathers XP computer meanwhile. Problem is I can't connect to his computer. He can find be but I can't find him. I have been googling for a while now, and the things I have done to fix this is: - Change it...
    • Torben Komma
    • Thread
    • connectivity cryptography file sharing homegroup hp laptop network troubleshooting windows 7 windows xp work network
    • Replies: 1
    • Forum: Windows Help and Support

  15. Security Advisory 2718704: Collision attack details, WU update rollout

    Today, as a part of our continuing phased mitigation strategy recently discussed, we have initiated the additional hardening of Windows Update. We’ve also provided more information about the MD5 hash-collision attacks used by the Flame malware in the SRD blog. This information should help...
    • News
    • Thread
    • advisory attack automatic updates certificate code signing collision cryptography customer service hardening information integrity malware md5 mitigation phased strategy protection security trustworthy computing windows update windows vista
    • Replies: 0
    • Forum: Security Alerts

  16. Security Advisory 2718704: Update to Phased Mitigation Strategy

    Hello, At Microsoft, our commitment is to help ensure customer trust in their computing experience. That was the impetus for Trustworthy Computing, and central to that is the priority we place on taking the necessary actions to help protect our customers. Yesterday, we issued Security Advisory...
    • News
    • Thread
    • advisory attack certificate code signing collaboration collision cryptography customers defense deployment hardening malware microsoft mitigation phased protection security trustworthy update windows
    • Replies: 0
    • Forum: Security Alerts

  17. Microsoft releases Security Advisory 2718704

    Hello, We recently became aware of a complex piece of targeted malware known as “Flame” and immediately began examining the issue. As many reports assert, Flame has been used in highly sophisticated and targeted attacks and, as a result, the vast majority of customers are not at...
    • News
    • Thread
    • advisory antivirus certification cryptography cybersecurity enterprise flame licensing malware microsoft remote desktop risk mitigation security targeted attacks trustworthy computing update vulnerabilities
    • Replies: 0
    • Forum: Security Alerts

  18. Error message when you try to validate a copy of Windows: The cryptographic operation failed due to

    When you try to validate a copy of Windows, you may receive an error message that resembles the following: When you try to validate Windows from , Windows downloads an update , however when Windows tries to install the update, the update shows an error... Link Removed
    • News
    • Thread
    • activation copy cryptography error failed installation message support troubleshooting update validation windows
    • Replies: 0
    • Forum: Knowledge Base (KB)

  19. "System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing" security s

    Explains how you can configure the negotiation of stronger, FIPS-compliant cryptography in Windows XP and in later operating systems by enabling certain security settings. Link Removed
    • News
    • Thread
    • algorithms configuration cryptography encryption fips hashing security settings signing windows xp
    • Replies: 0
    • Forum: Knowledge Base (KB)

  20. Description of the Cryptography API proxy detection mechanism when downloading a Certificate Revocat

    This KB article describes the proxy detection mechanism that the Cryptography (Crypto) API uses to download a CRL from a CRL distribution point. It discusses the locations of the registry where proxy information is found. Link Removed
    • News
    • Thread
    • api certificate crl cryptography detection distribution mechanism proxy registry revocation
    • Replies: 0
    • Forum: Knowledge Base (KB)