>20,000 Linksys routers leak historic record of every device ever connected

Found on Ars Technica on Sunday, 19 May 2019
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More than 20,000 Linksys wireless routers are regularly leaking full historic records of every device that has ever connected to them, including devices' unique identifiers, names, and the operating systems they use. The data can be used by snoops or hackers in either targeted or opportunistic attacks.

By combining a historical record of devices that have connected to a public IP addresses, marketers, abusive spouses, and investigators can track the movements of people they want to track.

Why would a router even keep all this information in the first place? Oh yes, for convenience...