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The Daily Insight Hub

Is it safe to send a photocopy of your credit card?

Author

Isabella Turner

Updated on February 09, 2026

The payment card industry’s security standards advise merchants not to store card data unless it is necessary for business, though there is no specific law against this practice.

How do you destroy magnetic strips?

Run a powerful magnet over the credit card’s magnetic strip several times. This will not actually erase the data, but it will be scrambled and unusable by identity thieves if they try to use the card in a swipe reader to pay for a purchase. Gouge the magnetic strip with the pointed tip of a pair of scissors.

Are credit cards damaged by magnets?

Keeping your card’s magnetic strip away from magnets is one way to take care of your credit card, but magnets aren’t the only causes of damage. These scratches can make it difficult for card readers to pick up the information on the magnetic strip and can cause a card to eventually be unusable.

How do you dispose of bank cards?

5 Tips for Destroying Old Credit Cards

  1. Put your issuer to work. If you’ve been using a metallic credit card, call the 800 number for proper disposal.
  2. Don’t burn it. Keep your lighter away from your credit card, or you’ll pay for it with your health.
  3. Demagnetize the strip.
  4. Hack away.
  5. Divide.

Will a magnet destroy an RFID chip?

No. RFID chips send out a radio signal, which is not affected by permanent magnets. While RFID devices can be powered by a changing magnetic field (by electromagnetic induction), they can not be scrambled, erased or blocked with a strong permanent magnet.

What is the safest way to send credit card information?

“It’s safest to verbalize it,” said Janet Alvarez, executive editor of Wise Bread, a personal finance and credit management blog. “Have them write it down on a piece of paper they intend on destroying immediately after using it.” It goes without saying, you should only give that info to someone you trust.

How do I protect my ATM card magnetic strip?

A very simple way to protect a magstripe card is to put it in a paper or a plastic sleeve. You can also use a wallet-type credit card holder and keep the cards facing the same direction in order to avoid potential inflictions or scratches.

Can a magnet ruin the magnetic strip of a credit card?

Although it is true that your credit card does contain a magnetic strip and placing it near another magnet can ruin its magnetic ability (a phenomenon called demagnetization) most people will never experience this in their daily lives. Demagnetization is very rare. Let’s look at why this is.

How does a magnet affect a magnetic strip?

In the old days, when card data was stored in the magnetic strip on the back of the card, a strong magnet rubbed repeatedly on the strip will destroy the data, rendering the card useless. Small magnets in, say, a key holder or coin wallet would not affect a card.

Do you need a strong magnet to demagnetize a credit card?

Credit cards require a VERY strong magnetic strength to demagnetize them, (typically ~4000 gauss), but it is not the strength of the magnet is the duration or exposure to the magnet. In order for a magnet to scramble a magnetic strip, it’s pretty much going to have to come in direct contact with it.

Can a magnetic stripe card survive an X-ray?

Rest assured, your EMV chip card will withstand magnetic meddling. “EMV cards are required to survive magnetic energy and X-rays up to a predetermined amount that is in excess of what you would normally expose the card to in the environment,” Mosteller says. “Even the magnetic stripe on these cards is hardened against magnetic energy.”