Identifying and cloning NFC Card double size UID – type mifare plus 7 byte 2k or classic 7 byte 1k

I am trying to clone/write copies of an NFC card. I am using an ACR122U-A9 receiver and running nfc-tools on a kali linux VM.

The card I am trying to clone is identified as a Mifare Classic 1k tag
ISO/IEC 14443A (106 kbps), UID SIZE: Doub… Continue reading Identifying and cloning NFC Card double size UID – type mifare plus 7 byte 2k or classic 7 byte 1k→

Teardown: VeriFone MX 925CTLS Payment Terminal

Regular Hackaday readers may recall that a little less than a year ago, I had the opportunity to explore a shuttered Toys “R” Us before the new owners gutted the building. Despite playing host to the customary fixture liquidation sale that takes place during the last death throes of such …read more

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EzLarm forces you out of bed using an app and a tag

Most of us are guilty of repeatedly hitting the snooze bar on our alarm clocks and going back to sleep, which is why we’ve seen devices that won’t stop ringing (or even electrocuting) until they’re taken to a remotely-located docking station…. Continue reading EzLarm forces you out of bed using an app and a tag→

Tap ‘N Ghost: A Novel Attack Against Smartphone Touchscreens

Researchers have demonstrated a new vulnerability in NFC, a feature built-in to many smartphones sold today. The vulnerability allows the attacker to to generate ‘ghost taps’ against a device, effectively allowing an attacker to tap your phone without you looking.

The 18-page paper released by a team of three researchers …read more

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Smartphone-activated food labels may replace best-before dates

Although the best-before dates on our foods may stop us from eating spoiled items, they can also cause us to toss out food that’s really still good. New phone-powered labels could help, by notifying users when the food is actually starting to… Continue reading Smartphone-activated food labels may replace best-before dates→