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Sean Lyngaas, CNN

Stories by Sean

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US concludes Iran is behind hacking attempts targeting Trump and Biden-Harris campaigns

The US government has concluded the Iranian government is behind the hack and leak operation targeting Donald Trump’s presidential campaign and also attempted to target the Biden-Harris campaign, the FBI and other US intelligence agencies said Monday.

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As Harris moves to secure the Democratic nomination, misinformation follows soon after online

Within minutes of President Joe Biden endorsing Vice President Kamala Harris to replace him on the Democratic Party’s ticket on Sunday, the internet crackled with lies, altered photos and other misleading claims about Harris.

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What is CrowdStrike, the company linked to the global outage?

The global computer outage affecting airports, banks and other businesses on Friday appears to stem at least partly from a software update issued by major US cybersecurity firm CrowdStrike, experts told CNN.

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What is CrowdStrike, the company linked to the global outage?

The global computer outage affecting airports, banks and other businesses on Friday appears to stem at least partly from a software update issued by major US cybersecurity firm CrowdStrike, experts told CNN.

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Justice Department to seek tougher sentences for AI-fueled election crimes

Federal prosecutors will pursue tougher sentences in cases in which artificial intelligence is used to commit an election-related crime, including threatening violence against election workers and voter suppression, Deputy US Attorney General Lisa Monaco said Monday.

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Cyberattacks are hitting water systems throughout US,

Cyberattacks are hitting water and wastewater systems “throughout the United States” and state governments and water facilities must improve their defenses against the threat, the White House and Environmental Protection Agency warned US governors on Tuesday.

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US intel chief can’t rule out possibility China uses TikTok to influence 2024 elections

US intelligence officials “cannot rule out” the possibility that the Chinese government will use TikTok to influence the 2024 US elections, Director of National Intelligence Avril Haines told lawmakers on Tuesday.

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‘We’re hemorrhaging money’: US health clinics try to stay open after unprecedented cyberattack

For more than two weeks, a cyberattack has disrupted business at health care providers across the United States, forcing small clinics to scramble to stay in business and exposing the fragility of the billing system that underpins American health care.

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Congressional probe finds communications gear in Chinese cranes, raises spying concerns

Some Chinese-made cranes used at US ports contain communications equipment with no clear purpose or record of their installation, according to a new congressional investigation that will heighten US concerns that the cranes could be used for surveillance or sabotage.

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Russian hackers breached key Microsoft systems

Russian state-backed hackers gained access to some of Microsoft’s core software systems in a hack first disclosed in January, the company said Friday, revealing a more extensive and serious intrusion into Microsoft’s systems than previously known.

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AI allows more foreign influence operations in 2024 election, FBI director says

The 2024 US election will feature more foreign adversaries that are trying to meddle in the election than previous voting cycles thanks to artificial intelligence and other technological advances, FBI Director Christopher Wray said Thursday.

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FBI/allies seize dark-web site of world’s most prolific ransomware gang

The FBI and its international allies have seized a dark-web site that the world’s most prolific ransomware gang has used to extort its victims, according to a message on the website viewed by CNN.

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US/allies disrupt Russian cyber espionage operation against US/Europe

The FBI and its international allies disrupted a network of over 1,000 hacked internet routers that Russia’s military intelligence agency was using for cyber espionage operations against the United States and its European allies, FBI Director Christopher Wray said Thursday.

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Biden officials confront limits federal response in exercise, preparing for 2024 election threats

When senior national security officials gathered in the White House Situation Room in December to prepare for the 2024 election, they faced a pair of stark, simulated scenarios that tested the limits of any federal response to election-related chaos, four people familiar with the meeting told CNN.

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US State Department offers $10 million for information on ransomware gang that attacked US hospitals

The US State Department on Thursday announced a $10 million reward for information on the leaders of a notorious ransomware group accused of extorting more than $100 million from hospitals, schools and other victims in the US around the world.

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Chinese hackers lurked in some US infrastructure systems ‘at least five years’

The Chinese hackers behind a campaign to infiltrate transportation hubs and other critical American infrastructure have had access to some of their targets’ computer networks for “at least five years,” according to a new report by US and allied security agencies obtained by CNN.

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FBI/Justice Department use court order to to disrupt Chinese hacking targeting key US infrastructure

The FBI and Justice Department have used a court order to address vulnerabilities in thousands of internet-connected devices that are at the center of a Chinese hacking campaign targeting sensitive US critical infrastructure, two US officials and a third source familiar with the matter told CNN.

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FBI director warns that Chinese hackers are preparing to ‘wreak havoc’ on US critical infrastructure

FBI Director Christopher Wray on Wednesday warned that Chinese hackers are preparing to “wreak havoc and cause real-world harm” to the US.