Best of email security 2013

Email Security Guidelines, Encryption and Appliances

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  • Enterprise-level spam filters

    Learn whether there a corporate spam filter that allows individual users to add specific e-mail addresses to block or whitelist as needed, in this application security Ask the Expert Q&A. 

  • How e-mail message components are used

    Learn what happens when someone's e-mail address differs from the certificate e-mail field value, in this application security Ask the Expert Q&A. 

  • PKI system validation processes

    Learn how an X.509 DN e-mail field is validated when you reply to a digitally signed message, and learn what to do when you want to encrypt it, in the application security Ask the Expert Q&A. 

  • 2006 Products of the Year: E-mail security

    Information Security magazine and readers selected the top three e-mail security products of 2006. 

  • Secure data transmission methods

    The main purpose of this tip is to explore secure data transmission options that are available to help meet regulatory and legal requirements. 

  • End of spam, phishing threats not far off

    Viruses, spam and phishing aren't going away overnight. But for 2006, one research firm says a new set of messaging security threats will take center stage. 

  • block cipher

    A block cipher is a method of encrypting text (to produce ciphertext) in which a cryptographic key and algorithm are applied to a block of data (for example, 64 contiguous bits) at once as a group rather than to one bit at a time. 

  • Security Bytes: Flaws found in BlackBerry Server

    In other news, Social Security numbers of H&R Block customers are reportedly exposed and multiple vulnerabilities are found in the Linux kernel. 

  • How to prevent poor e-mail practices

    In this Ask the Expert Q&A, our application security expert examines why organizations should implement and enforce an enterprise-wide e-mail encryption security policy. 

  • How RSA keys differ from DH/DSS keys

    In this Ask the Expert Q&A, Michael Cobb, our application security expert explains how RSA and DH/DSS differ, examines the strengths and weaknesses of each, and, explains how to use the compression library Zlib.