Cyber Security
Follow the latest Cyber Security news, videos, and analysis from ABC News.
1 month ago

Cyberattack causes chaos in Costa Rica government systems

Nearly a week into a ransomware attack that has crippled Costa Rican government computer systems, the country refuses to pay a ransom as it struggles to implement workarounds and braces itself as hackers begin publishing stolen information
1 month ago
Cyberattack causes chaos in Costa Rica government systems
1 month 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.
1 month ago
Wall Street eyes major cybersecurity investments
2 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.
2 months ago
Hackers accessed information from Meta, Facebook’s parent company, and Apple
2 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.
2 months ago
FBI says Russia scanning for new cyberattack targets
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

Cyber firm: At least 6 US state governments hacked by China

Hackers broke into the networks of at least six state governments last year.
3 months ago
Cyber firm: At least 6 US state governments hacked by China
3 months 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.
3 months ago
Federal government warns businesses about potential cyberattacks
3 months ago

US prepares for potential Russian cyberattacks

U.S. law enforcement officials are encouraging Americans to update their anti-virus and anti-malware software.
3 months ago
US prepares for potential Russian cyberattacks
3 months 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.”
3 months ago
Cyberattacks in Ukraine raising concerns over whether Russia could target US
3 months 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?
3 months ago
Cyber security alert
3 months 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.
3 months ago
Most US businesses ‘very vulnerable’ to cyber threat: Security expert
3 months 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.
3 months ago
US on high alert for Russian cyberattacks
3 months 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.
3 months ago
Experts fear Russia could target US with cyberattacks
3 months 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.
3 months ago
Companies 'foolish' to not beef up cybersecurity amid Russia tensions: DOJ official
3 months ago

Ransomware gang says it has hacked 49ers football team

Cyber criminals claim they stole some of the football team’s financial data.
3 months ago
4 months ago

NewsCorp hit with cyberattack, allegedly from China

NewsCorp hit with cyberattack, allegedly from China.
4 months ago
 NewsCorp hit with cyberattack, allegedly from China
4 months 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.
4 months ago
Canada’s foreign affairs department hit with cyberattack
4 months 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.
4 months ago
FBI warns about cybercriminals tampering with QR codes
5 months ago

Ransomware persists even as high-profile attacks have slowed

President Biden warned Russia's Vladimir Putin to crack down on ransomware gangs
5 months ago
5 months 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.
5 months ago
Cybersecurity official warns software vulnerability could affect millions of devices
5 months ago

Report urges UK government to beef up online safety measure

A group of lawmakers say proposed British rules aimed at cracking down on harmful online content should be beefed up with tougher measures
5 months ago
5 months 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.
5 months ago
New cyber vulnerability poses 'severe risk,' DHS says
6 months 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.
6 months ago
FBI warns industries of cyberattacks over the holidays
6 months 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.
6 months ago
Top national security officials stress need for collaboration in cyberspace
6 months 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.
6 months ago
Exclusive look at the NSA fight against cyberattacks
6 months 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.
6 months ago
'Security of our nation' at stake with cyberattacks: NSA chief
6 months ago

US charges 2 suspected major ransomware operators

Two suspected hackers have been arrested in a global cybercrime crackdown.
6 months ago
Suspected hackers arrested in global ransomware crackdown
6 months 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.
6 months ago
DOJ charges 2 men allegedly behind REvil ransomware attacks
7 months 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.
7 months ago
CISA issues sweeping federal directive for government cybersecurity
7 months 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.
7 months ago
Russian nation-state actor behind SolarWinds cyberattack at it again: Microsoft
7 months ago

Microsoft: Russian-backed hackers targeting cloud services

Microsoft says the same Russia-backed hackers responsible for the 2020 SolarWinds breach continue to attack the global supply chain and have been targeting cloud service resellers and others
7 months ago
Microsoft: Russian-backed hackers targeting cloud services
8 months ago

EU warns Russia over cyberattacks ahead of German elections

The European Union is warning Russia against allowing hackers to attack data bases or spread disinformation in the bloc just as Germans prepare to go the polls for parliamentary elections
8 months ago
EU warns Russia over cyberattacks ahead of German elections
8 months ago

Iowa farm cooperative hit by ransomware, systems go offline

A ransomware attack hit a cooperative of Iowa corn and soy farmers.
8 months ago
9 months 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.
9 months ago
Hit with ransomware attack, Howard University forced to cancel classes
9 months ago

Holiday weekend ransomware warning

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

Tech companies pledge billions in cybersecurity investments

Top tech firms have committed to investing billions to strengthen cybersecurity.
9 months ago
Tech companies pledge billions in cybersecurity investments
9 months 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.
9 months ago
Cyber-security experts say 3 random words are better for passwords
10 months ago

4 South African ports working to reopen after cyberattack

South Africa's state-owned rail and ports operator Transnet says that four of the country's largest ports are starting to reopen after having been closed by a cyberattack
10 months ago
10 months ago

Biden to meet next month with private sector on cyber issues

A U.S. official says President Joe Biden plans to meet next month with business executives about cybersecurity
10 months ago
10 months 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.
10 months ago
DOJ charges 4 Chinese nationals with state-backed hacking
10 months 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.
10 months ago
DOJ charges 4 Chinese nationals with state-backed worldwide hacking campaign
10 months 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.
10 months ago
US, allies join forces against China to expose hacking activities
10 months ago

$10 million rewards bolster White House anti-ransomware bid

The State Department will offer rewards up to $10 million for information leading to the identification of anyone engaged in foreign state-sanctioned malicious cyber activity, including ransomware attacks, against critical U.S. infrastructure
10 months ago
$10 million rewards bolster White House anti-ransomware bid
1 year ago

Fallout continues from biggest global ransomware attack

The single biggest global ransomware attack yet continues to bite as more details emerge on how a Russia-linked gang breached the company whose software was exploited
1 year ago
Fallout continues from biggest global ransomware attack
1 year 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.
1 year ago
Latest ransomware attack
1 year ago

Targeted ransomware attack aimed at IT management software provider, Kaseya

While Kaseya reports less than 1% of customers were affected by the hack, it’s being called the largest security breach ever.
1 year ago
Targeted ransomware attack aimed at IT management software provider, Kaseya
1 year ago

Scale, details of massive Kaseya ransomware attack emerge

Cybersecurity working to stem the impact of the biggest global ransomware attack
1 year ago
1 year ago

Fallout after major ransomware attack

Officials say a Russian hacking group is responsible for the cyberattack, putting thousands of small businesses on hold.
1 year ago
Fallout after major ransomware attack
1 year ago

More than 1,000 companies worldwide hit by latest cyber attack

The hack saw ransomware spread through a software company used by the businesses to manage computer services.
1 year ago
More than 1,000 companies worldwide hit by latest cyber attack
1 year ago

Ransomware attack before holiday leaves companies scrambling

Situation complicated in the U.S. by offices lightly staffed for Fourth of July.
1 year ago