According to Foresight News, the Chief Information Security Officer of SlowMist, 23pds, has warned users to be vigilant against Sim Swap hijacking risks following a data breach at T-Mobile. T-Mobile customers should be highly alert to potential scams and attacks that exploit their personal information. They should also be cautious of attackers using the leaked information to deceive T-Mobile's official customer service, leading to personal Sim Swap risks.