SecuritySignal adds new cryptographic defense against quantum attacks Posted on October 3, 2025 by Onsite Computing, Inc. Signal announced the introduction of Sparse Post-Quantum Ratchet (SPQR), a new cryptographic component designed to withstand quantum computing threats. […] Go to Source Author: Bill Toulas Onsite Computing, Inc. Rhadamanthys Stealer Evolves: Adds Device Fingerprinting, PNG Steganography Payloads Detour Dog Caught Running DNS-Powered Malware Factory for Strela Stealer