Threats, Cyberattacks & Vulnerabilities
Top Stories
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News
21 Aug 2026
AI attacks lack stealth -- nation-state actors are changing that
Today's AI attacks are still hard to miss and easy to stop, but nation-state threat actors are quietly pioneering low-and-slow adversarial AI. Learn what the shift means for defenders. Continue Reading
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Video
19 Aug 2026
Cutting through the Claude Mythos hype: What it means for CISOs
In this Reporters' Notebook video, Informa TechTarget journalists discuss what we know -- and don't know -- about Claude Mythos, and what CISOs should do next. Continue Reading
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News
20 Apr 2022
U.S. warns of 'increased' threats from Russian hacking groups
The U.S. government and its Five Eyes intelligence partners issued a joint advisory warning of the dangers posed by both state-sponsored hackers and cybercriminal crews in Russia. Continue Reading
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News
20 Apr 2022
BlackCat emerges as one of the top ransomware threats
After several notable ransomware attacks against major enterprises, the BlackCat gang is drawing the attention of security researchers who have connected it to other groups. Continue Reading
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News
18 Apr 2022
Pegasus spyware discovered on U.K. government networks
Citizen Lab confirmed it spotted the notorious spyware running on systems within the U.K. prime minister's office, and it believes the United Arab Emirates is to blame. Continue Reading
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News
18 Apr 2022
Stolen OAuth tokens lead to 'dozens' of breached GitHub repos
Stolen OAuth tokens issued to Heroku and Travis CI were used to download data from the private repositories of 'dozens of organizations,' including GitHub subsidiary npm. Continue Reading
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News
18 Apr 2022
Attack on Beanstalk Farms results in $182M loss
High payouts and security weaknesses make cryptocurrency a growing target, which was highlighted even further in the latest attack involving virtual currency and a DeFi platform. Continue Reading
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News
14 Apr 2022
Critical Windows RPC vulnerability raises alarm
Security experts warn that a newly disclosed vulnerability in a critical Windows networking component is opening the door for remote takeover attacks. Continue Reading
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News
14 Apr 2022
VMware Workspace One flaw actively exploited in the wild
Multiple threat intelligence providers have detected threat activity related to the VMware Workspace One flaw, including cryptocurrency mining activity. Continue Reading
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News
14 Apr 2022
US government, security vendors warn of new ICS malware
As attacks on critical infrastructure increase, experts warn that threat actors have developed new malware designed to take control of ICS and SCADA systems in the energy sector. Continue Reading
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News
13 Apr 2022
Sophos: LockBit affiliates hacked regional government agency
Sophos said attackers spent at least five months inside an unnamed regional government agency's network, remotely Googling for hacking tools before deploying LockBit ransomware. Continue Reading
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News
12 Apr 2022
Ukraine energy grid hit by Russian Industroyer2 malware
The 2016 malware known as 'Industroyer' has resurfaced in a new series of targeted attacks against industrial controller hardware at a Ukraine power company. Continue Reading
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News
12 Apr 2022
Law enforcement takedowns continue with RaidForums seizure
The hacker forum, which used to sell and purchase sensitive information including login credentials, has been dismantled, and its alleged founder was arrested and indicted. Continue Reading
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News
08 Apr 2022
Fin7 hacker sentenced to 5 years in prison
A Ukrainian man has been sentenced to five years in prison after being convicted as one of the primary hackers behind the notorious Fin7 financial malware ring. Continue Reading
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News
07 Apr 2022
How the FBI took down the Cyclops Blink botnet
The FBI's operation copied and removed Cyclops Blink's malware from victims' systems that were used as command and control devices, severing Sandworm's control of the botnet. Continue Reading
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News
06 Apr 2022
US sanctions Garantex for laundering over $100M
The latest action follows a string of sanctions imposed during the past year against cryptocurrency exchanges operating out of Russia. Continue Reading
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News
06 Apr 2022
Conti ransomware leaks show a low-tech but effective model
The Conti ransomware gang runs largely on elbow grease, according to Akamai security researchers who analyzed the group's training materials and operating policies. Continue Reading
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News
05 Apr 2022
German authorities behead dark web Hydra Market
Police in Germany raided facilities hosting the infamous Hydra Market site as part of an international effort to crack down on dark web forums and marketplaces. Continue Reading
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News
05 Apr 2022
March ransomware attacks strike finance, government targets
In March, ransomware reports and disclosures showed a variety of victims, from public schools and county governments to financial services firms and large enterprises. Continue Reading
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News
05 Apr 2022
Conti ransomware deployed in IcedID banking Trojan attack
The Conti ransomware gang gained recent notoriety for publicly backing Russia in its invasion of Ukraine. An anonymous researcher then leaked massive amounts of internal Conti data. Continue Reading
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News
04 Apr 2022
Cryptocurrency companies targeted in Mailchimp breach
Cryptocurrency wallet maker Trezor revealed phishing attacks against its customers that stemmed from a breach at Mailchimp, which the email marketing firm later confirmed. Continue Reading
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News
31 Mar 2022
New 'AcidRain' malware may be connected to Viasat attack
SentinelOne did not directly attribute the malware to the Viasat attack. That said, researchers argued the "AcidRain" malware's functionality matches open source intelligence. Continue Reading
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News
30 Mar 2022
Viasat confirms cyber attack on Ukraine customers
The U.S.-based satellite internet provider said a 'multifaceted and deliberate cyber attack' struck Viasat's KA-SAT network on the first day of Russia's invasion of Ukraine. Continue Reading
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News
30 Mar 2022
Axie Infinity hack results in $600M cryptocurrency heist
Axie Infinity, whose developer was hacked this month, is a popular NFT-based video game in which players earn cryptocurrency by raising their pay-to-play digital pets, or 'Axies.' Continue Reading
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News
29 Mar 2022
Rapid7 finds zero-day attacks surged in 2021
Cybercriminals are turning bugs into exploits faster than ever, according to Rapid7, which found that the average time to known exploitation dropped 71% last year. Continue Reading
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Feature
29 Mar 2022
Cryptocurrency cyber attacks on the rise as industry expands
Consumers, businesses and governments are finding new ways to use cryptocurrency, but a recent string of cyber attacks has highlighted security risks and shortcomings. Continue Reading
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News
25 Mar 2022
US indicts Russian nationals for critical infrastructure attacks
One defendant is accused of deploying the infamous Trisis or Triton malware against energy-sector companies, including a petrochemical plant in Saudi Arabia in a 2017 attack. Continue Reading
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News
24 Mar 2022
North Korean hackers exploited Chrome zero-day for 6 weeks
Google researchers say a Chrome zero-day bug stemming from a use-after-free error was exploited by North Korean hackers against both media and financial targets earlier this year. Continue Reading
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News
24 Mar 2022
FBI: Ransomware hit 649 critical infrastructure entities in 2021
The FBI's Internet Crime Complaint Center found ransomware was a top threat to critical infrastructure security in 2021, hitting a wide range of organizations. Continue Reading
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News
24 Mar 2022
Okta provides new details on Lapsus$ attack
The authentication provider shed new light on how a customer service agent at subcontractor Sitel was hacked and then used to obtain data on hundreds of Okta clients. Continue Reading
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News
23 Mar 2022
Microsoft confirms breach, attributes attack to Lapsus$
Microsoft disclosed it had been breached by emerging threat group Lapsus$ toward the end of a threat intelligence post dedicated to the extortion gang and its tactics. Continue Reading
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News
22 Mar 2022
Lapsus$ hacking group hit authentication vendor Okta
Authentication vendor Okta is the latest tech giant to be named as a victim of the prolific Lapsus$ crew, through key details about the attack remain in dispute. Continue Reading
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News
22 Mar 2022
Biden: Russia exploring cyber attacks against US
President Joe Biden's warning of potential Russian attacks against U.S. critical infrastructure is the latest call to action for the private sector to fortify its cyberdefenses. Continue Reading
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News
17 Mar 2022
JavaScript apps hit with pro-Ukraine supply chain attack
A popular JavaScript package was sabotaged by its developer and seeded with messages in support of Ukraine in what has become a supply chain attack. Continue Reading
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News
16 Mar 2022
LokiLocker ransomware crew bursts onto the scene
The mysterious LokiLocker ransomware group caught the attention of BlackBerry researchers, who say the outfit could become the next cybercrime group to menace enterprises. Continue Reading
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News
16 Mar 2022
FTC accuses CafePress of covering up 2019 data breach
The proposed FTC settlement would require CafePress' former owner to pay $500,000 in compensation to customers who were victimized in the company's 2019 data breach. Continue Reading
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News
14 Mar 2022
Cyber insurance war exclusions loom amid Ukraine crisis
Changes in insurance exemptions for acts of war reflect an increase in damages caused to enterprises related to state-sponsored cyber attacks. Continue Reading
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News
10 Mar 2022
Log4Shell vulnerability continues to menace developers
Months after it was first disclosed, the Log4j RCE vulnerability remains widespread on code-sharing sites and open source repositories, according to security researchers. Continue Reading
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Definition
10 Mar 2022
metamorphic and polymorphic malware
Metamorphic and polymorphic malware are two types of malicious software (malware) that can change their code as they propagate through a system. Continue Reading
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News
09 Mar 2022
Researchers disclose new Spectre V2 vulnerabilities
The Spectre class of data disclosure vulnerabilities is once again at the security forefront after researchers discovered a new variant of the side-channel attack. Continue Reading
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News
08 Mar 2022
FBI finds Ragnar Locker hit 52 U.S. critical infrastructure targets
While providing an updated list of indicators of compromise, the FBI revealed that a range of critical sectors were attacked by the ransomware group. Continue Reading
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News
08 Mar 2022
Researchers uncover vulnerabilities in APC Smart-UPS devices
Researchers with Armis found a trio of vulnerabilities in uninterruptible power supply (UPS) devices from APC that could be remotely exploited by threat actors. Continue Reading
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News
07 Mar 2022
Samsung breached, Nvidia hackers claim responsibility
Samsung said Galaxy device source code was stolen, but no employee or customer personal information was taken by the attackers, who appear to be with the Lapsus$ ransomware group. Continue Reading
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News
04 Mar 2022
Hackers using stolen Nvidia certificates to sign malware
The recent breach of Nvidia's corporate network has resulted in the posting of valid software certificates that are now being used to spread malware in the wild. Continue Reading
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Podcast
04 Mar 2022
Risk & Repeat: Conti ransomware gang gets breached
This Risk & Repeat podcast episode covers the massive Conti leaks, including the data that was published and what it reveals about the infamous ransomware gang. Continue Reading
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News
04 Mar 2022
February ransomware attacks hit major enterprises
Enterprises, colleges and municipalities in the U.S. continued to be hit by ransomware as publicly reported attacks for February piled up. Continue Reading
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News
02 Mar 2022
CrowdStrike cracks PartyTicket ransomware targeting Ukraine
CrowdStrike's analysis of the new ransomware, also known as HermeticRansom, that affected Ukrainian organizations revealed that files encrypted with PartyTicket are recoverable. Continue Reading
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News
01 Mar 2022
Conti ransomware source code, documentation leaked
The Conti ransomware gang's primary Bitcoin address, found in the leak, showed the crime outfit has taken in over $2 billion in cryptocurrency since 2017. Continue Reading
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News
28 Feb 2022
Recorded Future: Russia may retaliate with cyber attacks
Recorded Future warned U.S. and European organizations could be hit by 'spillover attacks' or intentional retaliatory strikes from Russia following its invasion of Ukraine. Continue Reading
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News
28 Feb 2022
Conti ransomware gang backs Russia, threatens U.S.
The Conti ransomware gang announced last week that they were in 'full support' of Russia and would retaliate if the West attacked Russian critical infrastructure. Continue Reading
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News
25 Feb 2022
Researchers find access brokers focused on US targets
Security vendors studied 'access broker' advertisements on the dark web, which provide ransomware groups with the network and system access required for data thefts. Continue Reading
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News
24 Feb 2022
New data wiper malware hits Ukraine targets
HermeticWiper is similar to another data-wiping malware known as WhisperGate, which was used in cyber attacks against Ukraine last month. Both used ransomware as an apparent decoy. Continue Reading
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News
24 Feb 2022
New tech, same threats for Web 3.0
Emerging technologies are prone to old-school social engineering attacks and credential-swiping techniques, according to Cisco Talos researchers who analyzed the new platforms. Continue Reading
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News
23 Feb 2022
US, UK attribute Cyclops Blink to Sandworm
The group known for its use of VPNFilter malware has retooled with what is being tracked as Cyclops Blink, but its impact appears limited to WatchGuard business customers for now. Continue Reading
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News
23 Feb 2022
Dragos: Ransomware topped ICS and OT threats in 2021
Whether ICS and OT networks were intentionally targeted or not, ransomware was found to be the No. 1 compromise to industrial organizations last year. Continue Reading
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News
17 Feb 2022
FBI: BEC attacks spreading to virtual meetings
Since the start of the COVID-19 pandemic, many workplaces have shifted to virtual meeting platforms, and the FBI warned that threat actors have taken note. Continue Reading
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News
17 Feb 2022
SonicWall: Ransomware attacks increased 105% in 2021
While 2021 represented a turning point for law enforcement and government action against ransomware, SonicWall still observed massive growth in attacks. Continue Reading
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News
16 Feb 2022
Trickbot has infected 140,000-plus machines since late 2020
In October 2020, Microsoft reported that more than 90% of Trickbot's infrastructure had been disabled. The threat actor bounced back and began thriving soon after. Continue Reading
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News
15 Feb 2022
Sophos discovers new attack targeting Exchange Servers
A new type of attack that utilizes the Squirrelwaffle malware and business email compromise may be an issue for organizations that have not patched their Exchange servers. Continue Reading
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News
15 Feb 2022
CrowdStrike: Attackers are moving faster, harder to detect
The CrowdStrike '2022 Global Threat Report' said attackers are getting better at exploiting vulnerabilities and moving through compromised networks before defenders can spot them. Continue Reading
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News
15 Feb 2022
Ransomware tied to attacks on critical infrastructure last year
While recent law enforcement action may be altering the ransomware landscape, BlackBerry researchers observed high-profile attacks on critical infrastructure last year. Continue Reading
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News
14 Feb 2022
CISA says 'Shields Up' as Russia-Ukraine tensions escalate
CISA said in its advisory that 'there are not currently any specific credible threats to the U.S. homeland,' but cited past Russian cyber attacks against Ukraine and others. Continue Reading
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News
14 Feb 2022
Fallout from REvil arrests shakes up ransomware landscape
Russian authorities recently announced more than a dozen arrests of alleged REvil members, heightening concern among ransomware affiliates on the dark web. Continue Reading
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News
11 Feb 2022
FBI seized Colonial Pipeline ransom from DarkSide affiliate
New research from Chainalysis claims the DarkSide ransomware affiliate involved in last year's Colonial Pipeline attack also had ties to the NetWalker ransomware operation. Continue Reading
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News
10 Feb 2022
DEF CON bans social engineering expert Chris Hadnagy
Hadnagy, an influential figure at the DEF CON security conference, was permanently banned following allegations of misconduct at the annual Las Vegas gathering. Continue Reading
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News
09 Feb 2022
Ransomware groups shift from big game hunting
A joint cybersecurity advisory documented top ransomware trends for 2021 and addressed ways for organizations to improve security. Continue Reading
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News
08 Feb 2022
Russia continues cybercrime offensive with SkyFraud takedown
Officials in Russia have knocked the SkyFraud credit card fraud operation offline in the latest of a string of police actions against cybercriminals in the region. Continue Reading
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News
08 Feb 2022
DOJ recovers $3.6B from 2016 Bitfinex hack
A couple was arrested Tuesday morning after the DOJ traced 120,000 bitcoin to a digital wallet containing funds stolen during the 2016 hack of cryptocurrency platform Bitfinex. Continue Reading
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News
07 Feb 2022
Metaverse rollout brings new security risks, challenges
When companies and users decide to adapt the technologies of the coming metaverse, they will also expose themselves to a new class of security risks and vulnerabilities. Continue Reading
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News
07 Feb 2022
Wormhole offers $10M to Ethereum thieves
Wormhole also offered $10 million to anyone who provided 'information leading to the arrest and conviction of those responsible' for last week's heist. Continue Reading
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News
03 Feb 2022
Cryptocurrency platform Wormhole loses $320M after attack
After a threat actor made off with 120,000 wrapped Ethereum, Wormhole said the stolen cryptocurrency had been 'restored,' but what that means remains in question. Continue Reading
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News
03 Feb 2022
Distrust, feuds building among ransomware groups
In an industry that operates in anonymity, trust is everything -- but recent accusations of ransomware actors working with or being law enforcement is threatening that work model. Continue Reading
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News
02 Feb 2022
SolarMarker malware spread through advanced SEO poisoning
Sophos discovered SolarMarker malware was being distributed through fake SEO-focused topics in Google Groups, as well as malicious PDF files. Continue Reading
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News
02 Feb 2022
More than 1,000 malware packages found in NPM repository
Researchers with WhiteSource were able to find some 1,300 examples of malware hiding under the guise of legitimate JavaScript packages on the NPM repository. Continue Reading
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News
01 Feb 2022
Iranian hacking groups pick up the pace with new attacks
Two security vendors are reporting a fresh wave of targeted attacks and malware outbreaks believed to be the work of Iranian state-sponsored threat groups. Continue Reading
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News
01 Feb 2022
Ransomware attacks continue to plague public services
Ransomware this year has picked up right where 2021 left off, with several local governments, schools and health services across the U.S. suffering attacks. Continue Reading
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Podcast
28 Jan 2022
Risk & Repeat: The complicated world of Monero
This Risk & Repeat podcast episode looks at the state of Monero, a privacy-focused cryptocurrency, as well as recent cyber attacks against crypto exchanges. Continue Reading
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News
27 Jan 2022
SolarWinds hackers still active, using new techniques
CrowdStrike has tracked the latest threat activity and novel techniques from the SolarWinds hackers, a Russian state-sponsored group known as Cozy Bear. Continue Reading
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News
27 Jan 2022
Apple security update fixes zero-day vulnerability
Apple released a series of security updates for bugs that included a critical zero-day vulnerability in iOS and macOS that is being actively exploited in the wild. Continue Reading
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News
26 Jan 2022
DeadBolt ransomware targeting QNAP NAS storage devices
In addition to DeadBolt, QNAP NAS users have had to deal with multiple types of ransomware in recent months, including Qlocker and eCh0raix. Continue Reading
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News
25 Jan 2022
Sophos: Log4Shell impact limited, threat remains
Sophos threat researcher Chet Wisniewski detailed the unexpectedly limited impact Log4Shell had on organizations but warned of future exploitation and risks. Continue Reading
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News
25 Jan 2022
Bernalillo County ransomware attack still felt weeks later
A ransomware attack in early January disrupted government systems in New Mexico's largest county, which stalled operations at county offices and the county detention center. Continue Reading
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News
24 Jan 2022
Monero and the complicated world of privacy coins
Monero is known for being one of the most common cryptocurrencies seen in illicit transactions, but its development community paints a different picture of the privacy coin. Continue Reading
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News
20 Jan 2022
Crypto.com confirms $35M lost in cyber attack
The cryptocurrency exchange had claimed no customer funds were lost in the recent cyber attack, but now admits 4,836.26 ETH and 443.93 bitcoin was stolen. Continue Reading
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News
18 Jan 2022
Cryptocurrency exchange Crypto.com hit by cyber attack
The cryptocurrency exchange said it detected unauthorized activity on some user accounts over the weekend, but questions remain on the severity of the attacks. Continue Reading
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News
18 Jan 2022
Ukraine hit with destructive malware attacks amidst turmoil
A new type of destructive malware was discovered by Microsoft after public and private organizations in Ukraine endured a series of cyber attacks as tensions with Russia grow. Continue Reading
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News
18 Jan 2022
Ransomware actors increasingly demand payment in Monero
Though Bitcoin is still the cryptocurrency standard in ransomware payment demands, Monero has gained prominence due to its more private, less traceable technology. Continue Reading
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News
18 Jan 2022
Police seize VPN host allegedly facilitating ransomware
VPNLab is accused of facilitating cybercrime including ransomware and malware distribution, and its services were allegedly advertised on the dark web. Continue Reading
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News
13 Jan 2022
Ukrainian police bust unnamed ransomware gang
A law enforcement raid in Ukraine resulted in the arrest of five suspects accused of deploying ransomware through phishing emails and making more than $1 million. Continue Reading
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Definition
13 Jan 2022
click fraud (pay-per-click fraud)
Click fraud -- sometimes called 'pay-per-click fraud' -- is a type of fraud that artificially inflates traffic statistics for online advertisements. Continue Reading
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News
12 Jan 2022
New RAT campaign abusing AWS, Azure cloud services
Cisco Talos discovered threat actors taking advantage of public cloud services to spread remote administration tools such as NanoCore, NetWire and AsyncRAT. Continue Reading
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News
11 Jan 2022
Microsoft: China-based ransomware actor exploiting Log4Shell
According to Microsoft, a threat actor tracked as DEV-0401 is utilizing Night Sky ransomware in its Log4j attacks, a variant first reported Jan. 1 that targets large enterprises. Continue Reading
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News
11 Jan 2022
SonicWall SMA 100 appliances beset by multiple vulnerabilities
SonicWall's security appliances can be compromised by several attacks on five vulnerabilities, including one remote code execution bug, according to Rapid7. Continue Reading
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News
11 Jan 2022
NetUSB flaw could impact millions of routers
SentinelOne researcher Max Van Amerongen said the only way to fix the high-severity vulnerability is to update the router firmware, which can be a difficult process. Continue Reading
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News
10 Jan 2022
Chainalysis: Cryptocurrency crime reaches all-time high
While illicit activity peaked at $14 billion in 2021, Chainalysis said it's a drop in the bucket compared with overall transactions amid 'roaring adoption' of cryptocurrency. Continue Reading
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Definition
10 Jan 2022
honeynet
A honeynet is a network set up with intentional vulnerabilities hosted on a decoy server to attract hackers. Continue Reading
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News
06 Jan 2022
New Zloader attacks thwarting Microsoft signature checks
Check Point Software Technologies found a long-known trick of injecting code into valid file signatures remains effective for spreading malware such as Zloader. Continue Reading
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News
05 Jan 2022
NY AG's credential stuffing probe finds 1M exposed accounts
The threat of credential stuffing attacks prompted an investigation by the New York Attorney General, which found stolen passwords for customer accounts across 17 companies. Continue Reading
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News
05 Jan 2022
FTC warns companies to mitigate Log4j vulnerability
In a blog post about the critical Log4Shell vulnerability, the FTC mentioned 2017's Equifax breach and the legal consequences that followed. Continue Reading
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News
30 Dec 2021
Threat actors target HPE iLO hardware with rootkit attack
Integrated Lights Out, HPE's remote server management platform, has been compromised by intruders who are using it to install a hard-to-detect rootkit in the wild. Continue Reading
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News
23 Dec 2021
ManageEngine attacks draw warning from FBI
The FBI said a vulnerability in the ManageEngine Desktop Central IT management tool is being used by APT actors in targeted network attacks dating back to October. Continue Reading
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News
20 Dec 2021
5 Russians charged in hacking, illegal trading scheme
A group of hackers based in Russia and tied to the GRU stand accused of breaking into companies and using confidential data to profit from illegal stock trades. Continue Reading