Cyber Security
Follow the latest Cyber Security news, videos, and analysis from ABC News.
January 27, 2023, 2:15 PM

DOJ seizes major ransomware group's website

Federal agents infiltrated the “Hive Ransomware Group,” seizing its website and dismantling much of its digital infrastructure in a major cyber crackdown.
January 27, 2023, 2:15 PM
DOJ seizes major ransomware group's website
January 26, 2023, 10:51 AM

Baltimore schools cyber attack cost nearly $10M: State IG

Baltimore County Public Schools failed to act on several state recommendations before a November 2020 hack, a state inspector general's report says.
January 26, 2023, 10:51 AM
Baltimore schools cyber attack cost nearly $10M: State IG
January 20, 2023, 7:27 PM

Hackers steal personal info on 37 million T-Mobile customers

Addresses, phone numbers and dates of birth were stolen but the company says credit cards were not exposed.
January 20, 2023, 7:27 PM
Hackers steal personal info on 37 million T-Mobile customers
January 20, 2023, 3:24 PM

FBI director sees threat from China's AI program, talks Russia cyberattacks in Ukraine

FBI Director Christopher Wray described how his agency saw an increase in cyberattacks from Russia at the beginning of its invasion of Ukraine
January 20, 2023, 3:24 PM
FBI director sees threat from Chinese AI, talks Russia cyberattacks in Ukraine
January 20, 2023, 2:38 PM

T-Mobile breached by hackers as 37 million customers impacted

T-Mobile says they discovered a "bad actor" was taking information through a single application, according to an SEC filing by the company this week.
January 20, 2023, 2:38 PM
T-Mobile breached by hackers as 37 million customers impacted
January 10, 2023, 1:08 AM

Iowa's largest city cancels classes due to cyber attack

Iowa’s largest school district has cancelled classes for Tuesday after determining there had been a cyber attack on its technology network
January 10, 2023, 1:08 AM
2 months ago

Cyberattack on top Indian hospital highlights security risk

The leading hospital in India’s capital is limping back to normalcy after a cyberattack crippled its operations for nearly two weeks
2 months ago
Cyberattack on top Indian hospital highlights security risk
2 months ago

FBI 'concerned' about Russian cyberattacks on critical US infrastructure: Wray

The agency director echoed President Biden's warning on Monday.
2 months ago
FBI 'concerned' about Russian cyberattacks on critical US infrastructure: Wray
3 months ago

US charges suspect linked to notorious ransomware gang

A man who authorities say participated in a ransomware campaign that extracted tens of millions of dollars from victims has been charged in the United States
3 months ago
3 months ago

White House invites dozens of nations for ransomware summit

The White House is bringing together three dozen nations, the European Union and a slew of private-sector companies for a two-day summit that looks at how best to combat ransomware attacks
3 months ago
White House invites dozens of nations for ransomware summit
3 months ago

Ukrainian man charged in US with 'Raccoon' malware scheme

U.S. prosecutors say a Ukrainian man has been arrested on federal cybercrime charges in an alleged scheme that for years used malware to steal information from millions of people around the world
3 months ago
3 months ago

Iran releases footage from prison fire, adding to mystery

Iran says the hackers were acting on behalf of an unidentified foreign country.
3 months ago
3 months ago

Hacker holds Australian health insurer's data for ransom

The data includes patients' diagnoses and treatments.
3 months ago
Hacker holds Australian health insurer's data for ransom
4 months ago

Cyberattacks at US airports believed to be by Russian hacker

At least 12 airports in the U.S. and worldwide were targeted for cyberattacks Monday by an attacker within the Russian Federation, a senior official confirmed to ABC News.
4 months ago
Cyberattacks at US airports believed to be by Russian hacker
4 months ago

'Too soon to know' whether Kremlin was behind cyberattacks on US airports, Kirby says

White House National Security Council spokesman John Kirby said it's still "too soon to know" whether the Russian government was behind the cyberattacks on U.S. airports.
4 months ago
'Too soon to know' whether Kremlin was behind cyberattacks on US airports, Kirby says
4 months ago

US airports hit by cyberattacks

Computer engineers and programmers from some of the nation's biggest airports are scrambling to protect their websites after a coordinated attack by hackers inside Russia.
4 months ago
US airports hit by cyberattacks
4 months ago

Cyberattacks reported at US airports

A senior official briefed confirmed some of the nation's largest airports have been targeted for cyberattacks by an attacker within the Russian Federation.
4 months ago
Cyberattacks reported at US airports
4 months ago

Cyberattacks reported at major US airports

Officials claim the attacker was with the Russian Federation.
4 months ago
Cyberattacks reported at major US airports
5 months ago

Iranian nationals charged in alleged ransomware conspiracy

Three Iranian nationals have been indicted for allegedly hacking into hundreds of computers in the U.S. and around the world, demanding, and sometimes getting, a ransom.
5 months ago
Iranian nationals charged in alleged ransomware conspiracy
5 months ago

Feds anticipate ransomware attacks against schools could increase as new year begins

Federal law enforcement officials said they anticipate ransomware attacks against schools may increase as the 2022/2023 school year begins.
5 months ago
Feds anticipate ransomware attacks against schools
9 months ago

Wall Street eyes cybersecurity, with Goldman Sachs announcing $125 million investment

Goldman Sachs is investing $125 million into cyber security as a part of a new strategic investment into Fortress Information Security.
9 months ago
Wall Street eyes major cybersecurity investments
10 months ago

Hackers accessed information from Meta, Facebook’s parent company, and Apple

Hackers pretended to be law enforcement officials and gained access to users’ data.
10 months ago
Hackers accessed information from Meta, Facebook’s parent company, and Apple
10 months ago

FBI says Russia scanning for new cyberattack targets

Cyber security expert Kristopher Schroeder says Ukraine has done a great job defending itself from Russian cyberattacks amid continued warnings from the U.S. of Russian cyber warfare.
10 months ago
FBI says Russia scanning for new cyberattack targets
1 year ago

Federal government warns businesses about potential cyberattacks

ABC News' chief justice correspondent Pierre Thomas has an exclusive look inside the NSA exercises to prepare for a potential cyberattack.
1 year ago
Federal government warns businesses about potential cyberattacks
1 year ago

US prepares for potential Russian cyberattacks

U.S. law enforcement officials are encouraging Americans to update their anti-virus and anti-malware software.
1 year ago
US prepares for potential Russian cyberattacks
1 year ago

Cyberattacks in Ukraine raising concerns over whether Russia could target US

ABC News’ chief justice correspondent Pierre Thomas discusses President Joe Biden’s response to Russia’s invasion of Ukraine and what the White House is calling a “devastating packages of sanctions.”
1 year ago
Cyberattacks in Ukraine raising concerns over whether Russia could target US
1 year ago

Cyber security alert

Security officials are on high alert for the possible threat of Russian cyberattacks, not just in Europe, but here in the U.S. Could such attacks drag the U.S. into war?
1 year ago
Cyber security alert
1 year ago

Most US businesses ‘very vulnerable’ to cyber threat: Security expert

ABC News’ Linsey Davis speaks with former President Donald Trump’s Homeland Security Adviser and ABC News contributor Tom Bossert about the cybersecurity threat from Russia.
1 year ago
Most US businesses ‘very vulnerable’ to cyber threat: Security expert
1 year ago

US on high alert for Russian cyberattacks

Homeland security officials say that Russia may target U.S. infrastructure and banking systems in cyberattacks. Howard Marshall, global cyber threat intelligence lead at Accenture Security, explains.
1 year ago
US on high alert for Russian cyberattacks
1 year ago

Experts fear Russia could target US with cyberattacks

Homeland cyber security officials and the FBI have been aggressively warning private industry leaders and governors about the potential for Russia’s hacking.
1 year ago
Experts fear Russia could target US with cyberattacks
1 year ago

DOJ official warns companies 'foolish' not to shore up cybersecurity amid Russia tensions

It comes as other U.S. agencies warned of Russia's cyber capabilities.
1 year ago
Companies 'foolish' to not beef up cybersecurity amid Russia tensions: DOJ official
1 year ago

NewsCorp hit with cyberattack, allegedly from China

NewsCorp hit with cyberattack, allegedly from China.
1 year ago
 NewsCorp hit with cyberattack, allegedly from China
1 year ago

Canada’s foreign affairs department hit with cyberattack

Canada’s foreign affairs department was hit with a cyberattack last week, according to the Treasury Board of Canada.
1 year ago
Canada’s foreign affairs department hit with cyberattack
1 year ago

FBI warns about cybercriminals tampering with QR codes

The agency warned consumers that criminals are tampering with some codes to steal information and money.
1 year ago
FBI warns about cybercriminals tampering with QR codes
1 year ago

Cybersecurity official warns software vulnerability could affect 'hundreds of millions of devices'

A top government cybersecurity official on Tuesday warned "hundreds of millions of devices" could be linked to vulnerable software.
1 year ago
Cybersecurity official warns software vulnerability could affect millions of devices
1 year ago

New cyber vulnerability poses 'severe risk,' DHS says

The vulnerability is linked to a commonly used piece of software called Log4j, a utility that runs in the background of many commonly used software applications.
1 year ago
New cyber vulnerability poses 'severe risk,' DHS says
1 year ago

FBI warns industries of cyberattacks over the holidays

The FBI and Homeland Security told critical industries and businesses to be on the lookout for crippling ransomware attacks during holidays and weekends.
1 year ago
FBI warns industries of cyberattacks over the holidays
1 year ago

Top national security officials stress need for collaboration in cyberspace

Cyber Command has over 2,000 military personnel from soldiers to civilians who are focused on securing the nation from foreign threat actors.
1 year ago
Top national security officials stress need for collaboration in cyberspace
1 year ago

Exclusive look at the NSA fight against cyberattacks

Pierre Thomas goes inside the NSA in an exclusive interview with its director, Gen. Paul Nakasone.
1 year ago
Exclusive look at the NSA fight against cyberattacks
1 year ago

'What's at stake is obviously the security of our nation,' NSA chief says of defending US from cyberattacks

Every day there are millions of attempts to scan America's cyber networks from foreign adversaries, Director of the National Security Agency Paul Nakasone says.
1 year ago
'Security of our nation' at stake with cyberattacks: NSA chief
1 year ago

DOJ charges 2 men allegedly behind REvil ransomware attacks

The nation's top law enforcement officials announced on Monday the seizure of approximately $6 million in ransom payments and new criminal charges.
1 year ago
DOJ charges 2 men allegedly behind REvil ransomware attacks
1 year ago

CISA issues sweeping federal directive for government cybersecurity

The Cybersecurity and Infrastructure Security Agency has issued a sweeping directive to federal agencies to fix hundreds of vulnerabilities in software and hardware.
1 year ago
CISA issues sweeping federal directive for government cybersecurity
1 year ago

Russian nation-state actor behind SolarWinds cyberattack at it again: Microsoft

Microsoft on Monday alleged that the Russian nation-state actor behind the SolarWinds hack at it again, this time attacking the global supply chain.
1 year ago
Russian nation-state actor behind SolarWinds cyberattack at it again: Microsoft
1 year ago

Hit with ransomware attack, Howard University forced to cancel classes

After being hit with a ransomware attack, Howard University was forced to cancel classes Tuesday, but it didn't say who was behind it or what the demand was.
1 year ago
Hit with ransomware attack, Howard University forced to cancel classes
1 year ago

Holiday weekend ransomware warning

The government tells companies to stay alert for potential cyberattacks over Labor Day.
1 year ago
Holiday weekend ransomware warning
1 year ago

Cyber-security experts say 3 random words are better for passwords

Instead of a complex series of letters, numbers, and symbols, they say random words create unusual letter combinations, which are more difficult for hacking software to guess.
1 year ago
Cyber-security experts say 3 random words are better for passwords
2 years ago

DOJ charges 4 Chinese nationals with state-backed hacking

The Justice Department on Monday released an indictment charging four Chinese nationals with state-backed worldwide hacking campaign.
2 years ago
DOJ charges 4 Chinese nationals with state-backed hacking
2 years ago

DOJ charges 4 Chinese nationals with state-backed worldwide hacking campaign

The Justice Department on Monday released an indictment charging four Chinese nationals with state-backed worldwide hacking campaign.
2 years ago
DOJ charges 4 Chinese nationals with state-backed worldwide hacking campaign
2 years ago

US, allies join forces against China to expose hacking activities

The NSA, FBI and Homeland Security officials claim that China has been contracting with, and profiting from, criminal hackers who attack companies around the world.
2 years ago
US, allies join forces against China to expose hacking activities
2 years ago

Latest ransomware attack

A Russia-based hacking group is believed to be behind the latest ransomware attack targeting small businesses across the globe. ABC News’ Faith Abubey has more.
2 years ago
Latest ransomware attack