Washington, June 9 -- : Chinese government-backed hackers have breached major telecommunications companies, among a range of targets worldwide by exploiting known software flaws in routers, CNN quoted US security agencies as saying. "These devices are overlooked by cyber defenders quite often, who struggle to maintain and keep pace with routine software patching of Internet-facing services and endpoint devices, says the advisory from the FBI, the National Security Agency and US Cybersecurity and Infrastructure Security Agency. The PRC has waged a successful cyber campaign against telecommunications networks since at least 2020, the federal agencies announced in a Tuesday press release...