DigiCert Blog

All posts by: Flavio Martins

About Flavio Martins

Flavio is the VP of Operations at DigiCert. He's a marketing and customer service leader and strategist. Flavio was named by Huffington Post as a Top Customer Experience Pro and by ICMI as a Top 50 Contact Center Leader. Follow him on Twitter @flavmartins or Google+ @FlavioMartins

  1. Myth: TLS Is Too Heavy for Low-Powered Devices

    Mobile devices have evolved significantly in terms of power in the last few years, but other devices emerging as part of the IoT ecosystem can still be extremely limited by computing power and battery life. With the predicted growth of the IoT and the subsequent increase of connected devices with a wide range of power…


  2. Preventing the DROWN Attack

    Researchers recently uncovered the DROWN vulnerability in SSL v2. DROWN stands for Decrypting RSA with Obsolete and Weakened encryption. It affects HTTPS and other services that rely on the SSL and TLS protocols. Attackers can use the DROWN vulnerability to break the encryption that is used to protect your sensitive data from prying eyes. If…


  3. Google Takes Another Step to Help Encourage HTTPS Everywhere

    A year ago, Google proposed that web browsers should flag all plain HTTP web pages as unsecure and made the move to boost search engine rankings for sites using HTTPS URLS. Now, Google is getting ready to place a dreaded red “x” through websites that do not offer an encrypted connection. Google plans to mark…


  4. Researchers Urge Administrators to Replace SHA-1 Certificates with SHA-2

    Online Security Warning

    This morning an international team of cryptanalysts urged administrators to replace their SHA-1 certificates as the risks associated SHA-1 are greater than previously expected. The published findings are theoretical and have not yet been proven in a practical setting. While there doesn’t appear to be an immediate present danger, we strongly encourage administrators to migrate…


  5. How to Remove an Expired Intermediate from the SSL Certificate Chain

    On September 30, 2015, at 12:15 pm, a legacy and long unused DigiCert cross-signed certificate expired, causing some users to experience untrusted certificate errors. The problem is generally related to a locally installed legacy intermediate certificate that is no longer used and no longer required. The problem may affect any client platform with a locally cached…