We have long held that leaving it to each sender/employee to properly enable encryption for each sensitive message (a.k.a “Opt In Encryption”) is too risky. Why? Any mistake or oversight immediately equals a breach and liability. Instead, LuxSci has always promoted use of “Opt Out Encryption,” in which the account default is to encrypt everything unless […]
HSTS (HTTP Strict Transport Security) protects your secure web site against “security downgrade attacks”. E.g. it stops people from accessing insecure versions of your site or pages when secure versions are available. This, in turn, helps prevent man-in-the-middle and other types of attacks on people using your web site. HSTS is a very simple and […]
Everyone always harps on the necessity of privacy when discussing health care, government, and banking communications. It is surprising how little attention is paid to email security with regards to accounting and tax preparation. There is a real danger of identity theft, unintended information disclosure, as well as invasion of privacy when using tax preparation […]
We are often asked by our users to help them determine from where an email message has originated. “Where did this spam come from?” In general, it is fairly easy to do this if you have access to the “headers” of the message. In this post, we will show you how to determine a message’s […]
SMTP TLS (Transport Layer Security) is the mechanism by which two email servers, when communicating, can automatically negotiate an encrypted channel between them so that the emails transmitted are secured from eavesdroppers. It is becoming ever more important to use a company that supports TLS for email transmission as more and more banks, health care, […]
