Microsoft has revealed the inner-workings of a phishing attack group's techniques that uses a 'jigsaw puzzle' technique plus unusual features like Morse code dashes and dots to hide its attacks.

When HTML is obfuscated, spam robots are not able to glean email addresses from the code. Several applications are available for download that will scramble or hide strings of characters in HTML code.

By appending just a few lines of HTML and CSS code, researcher Louis Dion-Marcil showed how an external sender could hide the very warning from an email message. Hiding "external sender" warning ...

A new targeted phishing campaign includes the novel obfuscation technique of using Morse code to hide malicious URLs in an email attachment. Samuel Morse and Alfred Vail invented morse code as a ...