Finland, Oct. 8 -- Cyber attackers are increasingly penetrating core telecom infrastructure undetected; DDoS attacks have surged to new extremes, powered by compromised home internet connections; and crypto agility is moving from roadmap to requirement, according to Nokia's 11th annual Threat Intelligence Report.Among the report's key findings:Stealthy campaigns now target the telco coreAttackers have stepped up their intrusions into telecom networks, in some cases reaching sensitive systems such as subscriber data and lawful interception platforms, as seen in the high-profile Salt Typhoon case. They often hide in plain sight by abusing trusted tools, unpatched devices and misconfigurations.63% of operators faced at least one "living off th...