Federal authorities on Tuesday urged telecommunication companies to boost network security following a sprawling Chinese hacking campaign that gave officials in Beijing access to private texts and phone conversations of an unknown number of Americans.

The guidance issued by the FBI and the Cybersecurity and Infrastructure Security Agency is intended to help root out the hackers and prevent similar cyberespionage in the future. Officials who briefed reporters on the recommendations said the U.S. still doesn't know the true scope of China's attack or the extent to which Chinese hackers still have access to U.S. networks.

Instagram is making teen accounts private by default as it tries to make the platform safer for children amid a growing backlash against how social media affects young people's lives.

Beginning Tuesday in the U.S., U.K., Canada and Australia, anyone under 18 who signs up for Instagram will be placed into restrictive teen accounts and those with existing accounts will be migrated over the next 60 days. Teens in the European Union will see their accounts adjusted later this year.

The pager was the first compact mobile communication tool to appear on the mass market and although smartphones have largely pushed it out, some people still use the reliable technology today.

Pagers were in the spotlight on Tuesday after hundreds of the devices used by Hezbollah members in Lebanon exploded simultaneously across the country in a first-of-its-kind attack that the group blamed on Israel.

Hours after an apparent attempt on Donald Trump's life over the weekend, Elon Musk took to his social platform X to post a thinking emoji and a comment that "no one is even trying to assassinate" the Democratic president and vice president.

In the midst of anti-Muslim riots in the U.K. — which were ginned up by a false rumor — Musk declared that "civil war is inevitable" in the country.

Meta said it's banning Russia state media organization from its social media platforms, alleging that the outlets used deceptive tactics to amplify Moscow's propaganda. The announcement drew a rebuke from the Kremlin on Tuesday.

The company, which owns Facebook, WhatsApp and Instagram, said late Monday that it will roll out the ban over the next few days in an escalation of its efforts to counter Russia's covert influence operations.