The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), Australian Signals Directorate’s (ASD’s) Australian Cyber Security Centre (ACSC), Canadian Cyber Security Centre (CCCS), and New Zealand’s National Cyber Security Centre (NCSC-NZ) warn that People’s Republic of China (PRC)-affiliated threat actors compromised networks of major global telecommunications providers to conduct a broad and significant cyber espionage campaign.
The authoring agencies are releasing this guide to highlight this threat and provide network engineers and defenders of communications infrastructure with best practices to strengthen their visibility and harden their network devices against successful exploitation carried out by PRC-affiliated and other malicious cyber actors. Although tailored to network defenders and engineers of communications infrastructure, this guide may also apply to organizations with onpremises enterprise equipment.
Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division
Related:
- Amtrak data breach exposes 2.1M records, reports suggest larger leak
April 20, 2026
Booking a train ticket shouldn’t come with a side of data exposure, but that’s the situation Amtrak customers are now facing. The rail service is dealing with a breach after hackers claimed to have accessed and released millions of customer records online. The exposed dataset was confirmed to contain at least 2.1 million unique accounts, although ...
- British National Pleads Guilty to Hacking into Companies and Stealing At Least $8 Million in Virtual Currency
April 17, 2026
SANTA ANA, California – A United Kingdom man pleaded guilty today to conspiring with others to hack into the computer systems of at least a dozen companies via text message phishing attacks and to steal at least $8 million in virtual currency from individual victims throughout the United States. Tyler Robert Buchanan, 24, of Dundee, Scotland, ...
- US intel officials scramble to keep surveillance law running amid Iran war tensions
April 13, 2026
With just days until a powerful surveillance law lapses, US national security officials are scrambling to prepare for potential blind spots in intelligence collection amid the US’ delicate ceasefire with Iran, current and former officials told CNN. Some communications carriers that manage data for the surveillance program have privately warned the Trump administration they will cease ...
- Suspect arrested after incendiary device thrown at OpenAI CEO Sam Altman’s home
April 11, 2026
A 20-year-old man has been arrested after a Molotov cocktail was thrown at the San Francisco home of OpenAI CEO Sam Altman early Friday morning. The incident happened around 4:00 am when a suspect “threw an incendiary destructive device” at Altman’s home, “causing a fire to one exterior gate” before fleeing on foot, according to statement ...
- Thousands of official government email addresses, including plaintext passwords available online
April 11, 2026
The official email accounts of public officials all over the world have been leaked online, with many exposed alongside their plaintext passwords, making it trivial for an attacker to breach their accounts. Researchers at Proton scoured the darker side of the internet for the publicly available email addresses of government officials – and discovered thousands of ...
- FBI Atlanta, Indonesian Authorities Take Down Global Phishing Network Behind Millions in Fraud Attempts
April 10, 2026
In a first-of-its-kind joint cyber investigation, the FBI Atlanta Field Office and Indonesian law enforcement authorities have dismantled a sophisticated global phishing operation that enabled cybercriminals to steal thousands of victims’ account credentials and attempt more than $20 million in fraud. The operation centered on the W3LL phishing kit, a widely used cybercrime tool that allowed ...