DISCARDED: Tales From the Threat Research Trenches

Half-Click, Full Compromise: Inside Russia's TA458 and TA488 Espionage Playbook

August 4, 2026·47 min
Episode Description from the Publisher

Send us fan mail! Hello to all our cyber roosters! Host Selena Larson is joined by co-host Sarah Sabatka and returning guest Greg Lesnewich, Principal Threat Researcher at Proofpoint, to unpack two new reports on Russian aligned espionage actors abusing “half-click” exploits, which are vulnerabilities that compromise a target the moment they open an email in a vulnerable webmail viewer, no link or attachment required. Greg breaks down the two distinct actors covered in Proofpoint's research: ...

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