Implanting a second chip successfully into the card seems a bit above the regular &quot;found the card and made a squiggle like the signature on the back&quot;. And that vulnerability at least was fixed.<p>It&#x27;s not like the magnetic stripe is particularly secure either, you could pretty easily clone someone&#x27;s card and then even use your own signature.<p>Even then, if someone is required to take the card, put it in a reader and type in the correct pin it&#x27;s a bit harder to &#x27;skim&#x27; a bit extra at the till.<p>The question should not be &quot;is chip and pin entirely secure&quot; but &quot;is it better than a magnetic stripe and a pen marking&quot;.<p>&gt; The UK, for example, has seen a nearly 70 percent decline in counterfeit card transactions since adopting chip cards, according to Barclays.<p><a href="https:&#x2F;&#x2F;squareup.com&#x2F;townsquare&#x2F;why-is-the-u-s-the-last-market-to-adopt-chip-cards&#x2F;" rel="nofollow">https:&#x2F;&#x2F;squareup.com&#x2F;townsquare&#x2F;why-is-the-u-s-the-last-mark...</a>