WSJ: TikTok used a loophole to track MAC addresses on Android

As the WSJ explains, Google items an anonymized promoting ID that users can without concerns reset, versus the MAC take care of that doesn’t own the identical choose-out capabilities. There are other ways feeble for this “ID bridging” that don’t possess the MAC take care of, and basically based utterly on their investigation, TikTok removed its monitoring with an replace on November 18th of closing One year. In an announcement, the firm acknowledged “the present model of TikTok does no longer uncover MAC addresses.”

Tying particular person identities to hardware in a map that’s hard to replace — specifically without notifying them of it — is troubling, and cell platforms aren’t the only self-discipline where it’s popped up. Closing One year researchers detailed how makers of TV apps on Fire TV and Roku had been bypassing advertiser IDs to acquire the MAC addresses on devices, and Roku up as much as now its tool quickly after to acquire away that skill.

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