Which cybersecurity innovation was widely adopted by retailers after the massive Target data breach in 2013 that compromised 40 million credit and debit card accounts?

The retail industry has faced numerous cybersecurity challenges over the years, with point-of-sale (POS) systems being particularly vulnerable to attacks. Major data breaches have forced retailers to revolutionize their security approaches. This poll tests your knowledge about one of the most significant POS security innovations that transformed retail cybersecurity standards worldwide.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

EMV chip technology (chip-and-PIN/chip-and-signature cards)
Blockchain-based payment verification
Biometric payment authorization
Quantum encryption for payment data