The Pentagon has issued a cautionary memo advising against using the messaging app Signal due to a vulnerability that Russian hacking groups are exploiting to surveil encrypted conversations. In a statement, Signal's spokesperson denied any unaddressed vulnerabilities. The memo emphasized that third-party messaging apps are not approved for handling non-public unclassified information. This warning comes after high-ranking officials used Signal to communicate sensitive military intelligence. The risk of sharing classified data over unsecured channels poses severe consequences for military personnel, reflecting ongoing concerns about communications security in defense operations.
The Pentagon issued a memo warning against using Signal for unclassified information, citing a vulnerability that Russian hacking groups exploit to spy on conversations.
Signal's spokesperson stated they were unaware of any vulnerabilities not publicly addressed, despite the Pentagon's concerns relating to Russian hacking group threats.
A DoD memo from 2023 prohibited mobile applications for processing controlled unclassified information, demonstrating the seriousness of communication security within military operations.
Sending classified data over insecure channels, termed 'slippage,' can jeopardize a military officer’s career, stressing the importance of secure communication among officials.
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