Tactic or Technique: Image as content

Phishing attacks sometimes use images instead of text to hide their intent and evade detection. This technique, often called “image as content,” involves embedding fake login prompts, alerts, or messages inside graphics that look legitimate but can’t be scanned by traditional text-based filters.

These images often appear polished and professional, using logos and layouts that mimic real companies. In many cases, the image itself is clickable and leads you to a phishing site. With little or no surrounding text, the message is more likely to slip through security scans and still look convincing.

This tactic works because visuals feel trustworthy. A branded banner or alert can seem more legitimate than a plain-text email. That’s why defending against it is harder. Traditional filters struggle to analyze image content, so stopping these attacks often requires a combination of advanced image scanning and the ability to recognize visual red flags—not just suspicious text.