Rogue advertisers can camouflage their ads on your favourite websites to
trick you into adding your card details. You might see a prompt urging
you to 'Verify and Continue' or 'Download' a file, but it's actually a
disguised ad designed to blend in seamlessly with a website’s normal
content.
We expose how a hidden banner left one BBC user
trapped in a monthly subscription to an obscure 'tech education' e-book
business, and
to escape the payments they had to cancel their bank card.
Source: Which? (06 Aug 2026)
