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RCS Lab / Tykelab is an Italian commercial surveillance provider associated with hybrid interception platforms that combine device spyware capabilities with telecommunications signalling surveillance. The company has been linked in public reporting to lawful-intercept and intelligence-support tooling used by government customers. Its offerings are associated with covert mobile surveillance tradecraft that leverages weaknesses in SS7 and Diameter roaming ecosystems to obtain subscriber information and track device location, and may be paired with SIM-based exploitation techniques such as SIMjacker-style abuse of SIM Toolkit functionality. Activity associated with this ecosystem reflects long-term espionage-oriented surveillance rather than disruptive or financially motivated operations. Observed tradecraft includes reconnaissance and probing through SS7 and Diameter, manipulation of signalling metadata and routing fields to evade screening and obscure origin, use of multiple operator identities and transit paths, and repeated location-tracking attempts against mobile subscribers across multiple countries. Related operations have also used binary SMS messages designed for silent SIM execution to request cell-site information and exfiltrate it without user interaction. The operational pattern is consistent with a centralized commercial surveillance platform serving state intelligence or security customers. RCS Lab and Tykelab are commonly referenced together in connection with the Italian surveillance technology sector and are associated with Cy4Gate. High-confidence reporting supports Italy as the relevant operating origin in this context, but does not directly attribute specific observed campaigns to a named government customer.
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