← ALL TIPSTactical InfoSecDAY 149

Validate Input Like You Mean It

The takeaway

Treat all input as hostile until proven otherwise — it's where injection lives.

Share
Save for later

Saved only in this browser. No account needed. Does not sync. Clearing browser data removes the list.

Injection attacks persist decades after they were first documented because input validation keeps getting skipped under deadline. Treating every input as adversarial — validated, escaped, parameterized — closes the oldest open door in software.

“Untrusted input is a payload until you prove otherwise.”

⟶ UP NEXT
Cyber Hygiene

Check Statements Regularly →

Catching fraud early limits the damage — review what you're billed.

CYBERPSA NEWSLETTER

Cyber tips.
In your inbox.

Practical online-safety advice in a weekly email, plus occasional urgent alerts when there’s an important action to take.