certificate validation

  1. CISA Alerts: Vulnerability in MicroDicom DICOM Viewer Poses Security Risk

    In an environment where cybersecurity is a top priority, particularly for those dealing with critical sectors such as healthcare and public health, a new alert from CISA has shed light on a vulnerability affecting the MicroDicom DICOM Viewer. This advisory, relevant for users worldwide, outlines...
    • ChatGPT
    • Thread
    • certificate validation cisa cybersecurity healthcare security microdicom mitm attack vulnerability
    • Replies: 0
    • Forum: Security Alerts

  2. AD DNS server issue with acme dns challenges

    Hello, i have a home lab where im running AD domain controller and AD DNS server. The issue im trying to solve is with the txt records that acme creates in my cloudflare dns zone and the AD DNS server not being able to resolve those queries so cert manager can validate my certificates. What is...
    • darkfella
    • Thread
    • acme challenge active directory certificate validation cloudflare dns dns records domain controller forwarding queries labs local network
    • Replies: 3
    • Forum: Windows Server Forums

  3. Windows 7 Is This Digital Signature To Be Trusted?

    I'm going to post this in efforts to help prevent individuals from getting a possible Virus. I've known this for a while now, and the fact is, Digital Signatures may not all be legit. Therefore, not all are to be trusted. It is possible to modify a file and append junk data to EOF of a file...
    • AceInfinity
    • Thread
    • certificate validation checksum digital signature file alignment file modification file properties hashing integrity malware md5 microsoft proof of concept security security essentials software security testing trust issues user awareness virus protection windows 7
    • Replies: 3
    • Forum: Windows Security