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grahamcluley.com · medium

Smashing Security #489: Ledger wallet supply-chain backdoors, Candiru zero-click spyware via ads, and other incidents

Episode 489 of the Smashing Security podcast covers several recent incidents, linked mainly through show-note references. The headline topic is a supply-chain attack on Ledger hardware crypto wallets, with reports of backdoored devices and funds being drained. Ledger reportedly asked sellers across Asia to halt sales and published guidanc…

welivesecurity.com · high

UAC-0099 evolves MATCHBOIL C# downloader targeting Ukrainian transport, manufacturing and energy firms

ESET documented the evolution of MATCHBOIL, a custom C downloader used by the Russia-aligned cyberespionage group UAC-0099. Samples span April 2024 to April 2026, although CERT-UA first documented the malware in August 2025. Each iteration became more sophisticated, with new obfuscation, sandbox checks and persistence methods. All victims…