The government has faced criticism for broadly redacting documents related to Lord Mandelson’s appointment as British ambassador to the United States, according to a recent statement from the Intelligence and Security Committee (ISC). The committee has completed its review of redactions applied to 337 documents, citing national security concerns but expressing unease over additional extensive redactions deemed unrelated to security.

The ISC noted that the parliamentary motion authorizing redactions only permits them on grounds of national security or international relations. It warned that the government appeared to have applied redactions beyond these limits, including the removal of personal data, email addresses, and the identities of junior civil servants. Furthermore, the committee accused ministers of withholding certain documents without proper authority, specifically highlighting a file compiled by UK Security Vetting (UKSV).

Earlier disclosures revealed that UKSV had advised against granting Lord Mandelson the highest security clearance necessary for his diplomatic role. Nevertheless, the Foreign Office overruled this recommendation and approved his clearance. The ISC sharply criticized this decision, describing it as a “failure to adhere to security advice.” The committee emphasized that security assessments should not be overridden to accommodate other interests and that dismissing legitimate security concerns on convenience grounds is unacceptable.

The controversy initially intensified in February when Members of Parliament demanded the release of a significant volume of documents related to Mandelson’s appointment and communications involving senior ministers and advisers. The ISC was then tasked with assessing the government’s redactions applied on national security grounds. The committee recommended that ministers seek parliamentary approval before withholding information on any other bases.

In addition to concerns about redaction practices, the ISC highlighted issues with the government’s use of WhatsApp for official communications. The committee described the reliance on this platform, alongside the lack of clear audit trails and the use of less secure IT systems for critical decisions, as deeply problematic.

Reacting to the committee’s findings, Alex Burghart, the shadow Cabinet Office minister, accused the government of attempting to conceal information. He labeled the redactions as part of a broader cover-up connected to the Mandelson-Epstein affair. Burghart charged that the Labour government had been deliberately restrictive in providing documents to Parliament, only releasing information under Conservative pressure, and continued to withhold key details.