Blog
Phishing with Invisible Ink
Fri, 02/03/2023
You might remember as a child, there was a revelation…invisible ink. Stepping forward to today, there is now a new type of phishing which uses invisible ink, or as it’s also called, ‘zero font’, as a means to beat the spam and phishing filters. Anti-spam / phishing filters work in several different ways; they look for specific words or phrases and there is then a statistical element. If there are 100,000 instances of the same message, it’s probably spam.