The "external sender" warnings shown to email recipients by clients like Microsoft Outlook can be hidden by the sender, as demonstrated by a researcher. Turns out, all it takes for attackers to alter ...

In my last article, a reader asked what may have caused his emails to render with no text or graphics whatsoever. Kal Hadi of WhittmanHart suggested a solution that included the use of Cascading Style ...

Learning HTML and CSS, or hypertext markup language and cascading style sheets, respectively, is a good way to unlock opportunities in tech and nontech industries. Mastering these languages can help ...

A phishing campaign using Office 365 voicemail lures to trick them into visiting landing pages designed to steal their personal information or infect their computers with malware. The phishing emails ...

This text-based tutorial is intended for people who learn fast through a combination of reading and images — it’s possible to learn HTML and CSS foundations in 15 minutes through this tutorial. For a ...

Cisco Talos says hackers are abusing CSS in emails The stylesheet language is used to hide content, track people's behavior, ...