Scammers Use Hidden Text to Bypass AI Email Filters in Phishing Scams

Scammers are hiding invisible text inside phishing emails to manipulate AI-powered email filters and increase the chances of scams reaching inboxes...

Too salty to handle: Exposing cases of CSS abuse for hidden text salting

Cisco Talos has been closely monitoring the abuse of cascading style sheets CSS properties to include irrelevant content or salt in different parts of messages, a technique known as hidden text salting. This blog is a follow-up to our previous reports in January and March 2025 on CSS abuse in...

Seasoning email threats with hidden text salting

Cisco Talos observed an increase in the number of email threats leveraging hidden text salting also known as "poisoning" in the second half of 2024. Hidden text salting is a simple yet effective technique for bypassing email parsers, confusing spam filters, and evading detection engines that rely...

Email Phishers Using A Simple Way to Bypass MS Office 365 Protection

Security researchers have been warning about a simple technique that cyber criminals and email scammers are using in the wild to bypass most AI-powered phishing detection mechanisms implemented by widely used email services and web security scanners. Dubbed ZeroFont , the technique involves...

Upload vulnerabilities hidden to text breakthrough hand-vulnerability warning-the black bar safety net

Article author:udb311 This article is by a upload the page break upload, saying at the time the group where talking about. Issued XXX website upload address, research over research in the past. Didn't find the breakthrough, the local modify the upload submission is still not a breakthrough. Just ...