DHS Says China, Russia, Iran, and Israel Are Spying on People in US with SS7
The Department of Homeland Security knows which countries SS7 attacks are primarily originating from. Others include countries in Europe, Africa, and the Middle East.
China's Volt Typhoon breached Singtel, reports say
Chinese government cyberspies Volt Typhoon reportedly breached Singapore Telecommunications over the summer as part of their ongoing attacks against critical infrastructure operators. The digital break-in was discovered in June, according to Bloomberg, citing "two people familiar with the matter" who told the news outlet that the Singtel breach was "a test run by China for further hacks against US telecommunications companies."
Chinese spies hacked Dutch defence network last year - intelligence agencies
Chinese state-backed cyber spies gained access to a Dutch military network last year, Dutch intelligence agencies said on Tuesday, calling it part of a trend of Chinese political espionage against the Netherlands and its allies.