India, Jan. 28 -- The exposure of sensitive taxpayer records has sparked investigations into the US Treasury, raised alarms over contractor oversight, and renewed scrutiny of decisions made during the Trump administration.

A significant breach of sensitive taxpayer information at the Internal Revenue Service (IRS) has escalated into a broader institutional crisis for the US Treasury, exposing long-standing weaknesses in federal data security, contractor oversight, and internal accountability that trace back to decisions made during the Trump administration.

The breach, which involved unauthorized access to confidential tax records, has set off multiple investigations across federal agencies and Congress, while drawing renewed scrutiny t...