Are NFC business cards safe?
Yes, NFC business cards are safe for normal use. The chip stores only a URL — it can't read your phone's data, can't initiate transactions, and requires the phone to be within 4 cm. The profile page it opens is a standard website with the same security properties as any other web page.
What an NFC business card can and can't do
An NFC tag can: store a URL (or other small data), be read by a nearby NFC-enabled phone, open a browser page when tapped. An NFC tag cannot: access your contacts, read your files, initiate payments, install software, connect to the internet on its own, or transmit any data about your phone. The chip is a passive, read-only device with no intelligence beyond storing a short string of text.
The real risk: malicious URLs
The security concern with any NFC tag — not just business cards — is that the URL stored on the chip could point to a malicious website. A rogue NFC sticker placed in a public area could direct phones to a phishing page. For NFC business cards handed to you personally, the risk is minimal — you know who's handing you the card and can see the profile when it loads. The same skepticism you'd apply to clicking any link applies here.
Platform-level security
Reputable NFC business card platforms use HTTPS for all profile URLs, meaning data between the phone and the profile server is encrypted. Profile pages on legitimate platforms don't request sensitive permissions (microphone, camera, location) without explicit user consent. The overall security profile is similar to visiting any professional website.
Can an NFC card install malware on my phone?
Not directly. An NFC tag opens a URL in your browser — it can't install anything without you actively downloading and installing a file. Standard browser security applies.
Can someone read my NFC card from across the room?
No. NFC range is under 4 cm. Someone would need to be within inches of your card to read it.
Is it safe to tap an NFC card from a stranger?
Generally yes, but apply the same caution you would to clicking an unknown link. Random NFC stickers in public places deserve more scrutiny than a card handed to you personally.