Threats, Cyberattacks & Vulnerabilities
Top Stories
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News
02 Oct 2026
Developers facing a patchwork of competing AI safety regulations
Policymakers are moving swiftly to regulate agentic AI, creating varying mandates across regions and leaving developers to figure out compliance. Experts explain how the industry can keep pace. Continue Reading
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News
01 Oct 2026
Use Cybersecurity Awareness Month as a springboard -- not a fire drill
National cybersecurity awareness efforts peak in October, but attacks happen year-round. Experts explain how CISOs can use Cybersecurity Awareness Month to build long-term momentum. Continue Reading
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News
16 Jun 2021
Repeat ransomware attacks hit 80% of victims who paid ransoms
New research from Cybereason offers troubling findings for organizations that pay ransoms, from repeat attacks to corrupted data and faulty decryption tools. Continue Reading
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News
15 Jun 2021
Apple issues patches for two more WebKit zero-days
Apple said both WebKit zero-days, which affect older iOS devices, have reportedly been exploited in the wild, but further details about the threat activity are unknown. Continue Reading
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News
14 Jun 2021
Accellion breach raises notification concerns
Victims of the breach continue to emerge, and one customer said it could have acted sooner, but a critical alert about a zero-day never left Accellion's email system. Continue Reading
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News
11 Jun 2021
Slilpp marketplace goes dark following government takedown
Slilpp, a massive dark web emporium for buying and selling stolen credentials, has been pulled offline by an international law enforcement takedown. Continue Reading
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News
11 Jun 2021
Securolytics COO charged in Georgia hospital cyber attack
Details on the cyber attack are scarce, but according to the indictment, Vikas Singla allegedly attempted to steal data and disrupt the hospital's phone system. Continue Reading
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News
11 Jun 2021
Cisco Talos: Exchange Server flaws accounted for 35% of attacks
More than one third of incidents recorded by Cisco Talos in the past three months were related to four Microsoft Exchange Server zero-days first revealed in March. Continue Reading
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News
10 Jun 2021
JBS USA paid $11M ransom to REvil hackers
Last week JBS USA said the ransomware attack was resolved and all facilities were fully operational, but now the company confirmed it paid a huge ransom. Continue Reading
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News
08 Jun 2021
FBI used encrypted Anom app in international crime bust
The FBI secretly ran an encrypted chat network that included 12,000 devices and was widely used by criminal organizations across the globe for various illegal dealings. Continue Reading
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News
08 Jun 2021
FBI seized Colonial Pipeline ransom using private key
After Colonial Pipeline paid a $4.4 million ransom demand in last month's attack, the DOJ announced the majority of the funds have been retrieved by the FBI. Continue Reading
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News
07 Jun 2021
DOJ charges alleged Trickbot developer
Several of the 19 charges brought against the alleged Trickbot Group developer Alla Witte include bank fraud and aggravated identity theft. Continue Reading
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Definition
03 Jun 2021
distributed denial-of-service (DDoS) attack
A distributed denial-of-service (DDoS) attack is one in which multiple compromised computer systems attack a target, such as a server, website or other network resource, and cause a denial of service for users of the targeted resource. Continue Reading
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News
02 Jun 2021
ExaGrid revealed as latest Conti ransomware casualty
The data backup vendor appears to have paid a $2.6 million ransom after Conti threat actors breached its corporate network and stole internal documents. Continue Reading
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News
27 May 2021
DHS opens valve on new pipeline security requirements
The U.S. government has put forward a trio of new cybersecurity requirements for companies that operate oil and gas pipelines, including incident reporting and risk assessment. Continue Reading
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News
26 May 2021
Rowhammer reach extended for new attack method
Google researchers discovered a bit-flipping hardware trick can now be carried out across extra rows of transistors, circumventing protections against the attack technique. Continue Reading
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News
26 May 2021
US agencies lack supply chain best practices post-SolarWinds
Vijay D'Souza, the GAO's director of IT and cybersecurity, said during a joint hearing that 'none of the agencies have fully implemented our recommendations.' Continue Reading
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News
25 May 2021
Chaos in Maricopa County: The election audit explained
The controversy about an election audit of Maricopa County, Ariz., involves accusations of deleted databases, bamboo fibers and potentially ruined voting machines. Continue Reading
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News
24 May 2021
Conti ransomware spree draws FBI attention
Hospitals and emergency service networks in the U.S. are at heightened risk from the new ransomware operation that disrupted Ireland's healthcare system in recent weeks. Continue Reading
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News
21 May 2021
Stale sessions, ML poisoning among 2021's top security threats
An all-star security panel at RSA Conference discusses the biggest issues facing companies today and what it thinks will emerge as the top threats in the coming months. Continue Reading
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News
20 May 2021
U.S. officials discuss 2020 election security, misinformation
During an RSA Conference 2021 panel, the CISO for Maricopa County, Ariz., said misinformation posed a bigger challenge for election officials than actual cyberattacks. Continue Reading
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News
20 May 2021
CrowdStrike breaks down 'Golden SAML' attack
The nightmare scenario, demonstrated at RSA Conference 2021, was used by threat actors in the SolarWinds breach and gave them control over both cloud and on-premises systems. Continue Reading
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News
20 May 2021
Infosec experts: Threat landscape is worst in 60 years
Between an increasing sophistication seen in nation-state groups and a rise in ransomware that's affecting everyone, the threat landscape may be reaching a historic peak. Continue Reading
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News
19 May 2021
SentinelOne: More supply chain attacks are coming
At RSA Conference 2021, SentinelOne threat researcher Marco Figueroa discussed the implications of the SolarWinds attacks, which he called one of the biggest hacks ever. Continue Reading
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News
19 May 2021
SolarWinds CEO: Supply chain attack began in January 2019
SolarWinds CEO Sudhakar Ramakrishna clarified earlier remarks from the company and said the massive supply chain attack was not the result of an intern's mistake. Continue Reading
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News
18 May 2021
Sophos: 81% of attacks last year involved ransomware
The majority of incidents Sophos responded to in the last year involved ransomware. The company also found the median dwell time of attackers was 11 days. Continue Reading
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News
17 May 2021
Hackers turn Comcast voice remotes into eavesdropping tool
Guardicore researchers at RSA Conference 2021 manipulated the Xfinity XR11 voice controller to covertly record household conversations, raising concerns about IoT devices. Continue Reading
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News
14 May 2021
'Scheme flooding' bug threatens to sink user privacy
Researchers have uncovered a blind spot in web security that opens the door for tracking across multiple browsers and thwarts common privacy protections like incognito and VPN. Continue Reading
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News
13 May 2021
Verizon DBIR shows sharp increase in ransomware attacks
According to Verizon's latest Data Breach Investigations Report, 60% of ransomware cases involved either direct installation or installation via desktop sharing software. Continue Reading
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News
12 May 2021
Hacker makes short work of Apple AirTag jailbreak
A security researcher discovered a jailbreaking method for Apple's new mobile locating tracking devices, which were introduced just last month. Continue Reading
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News
12 May 2021
Senate hearing raises questions about SolarWinds backdoors
U.S. Department of Commerce CISO Ryan Higgins said in a Senate committee hearing Tuesday that his department was one of first agencies to detect the systemic compromise. Continue Reading
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News
12 May 2021
DarkSide: The ransomware gang that took down a pipeline
DarkSide may be best known for the Colonial Pipeline ransomware attack, but the gang has hit dozens of organizations since last summer, presenting itself as a Robin Hood-type group. Continue Reading
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News
10 May 2021
Colonial Pipeline runs dry following ransomware attack
A vital U.S. oil supply was shut down to prevent a ransomware infection from spreading from corporate IT systems to more crucial operational technology systems. Continue Reading
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News
07 May 2021
'Bulletproof' hosts catch RICO charges for aiding cybercriminals
Four men pleaded guilty to RICO conspiracy charges for operating a bulletproof hosting service that provided infrastructure to cybercriminals' operations. Continue Reading
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News
06 May 2021
'BadAlloc' vulnerabilities spell trouble for IoT, OT devices
A week after Microsoft revealed 25 memory allocation vulnerabilities in several IoT and OT products, some devices have been patched, while others have not. Continue Reading
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News
06 May 2021
US defense contractor BlueForce apparently hit by ransomware
The Conti ransomware operators demanded nearly $1 million in bitcoin during ransomware negotiations and threatened to publish the defense contractor's data on its leak site. Continue Reading
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News
06 May 2021
Dell patches high-severity flaws in firmware update driver
SentinelOne discovered the flaws in Dell's firmware update driver in December. There's no evidence that hackers have exploited the 12-year-old vulnerabilities. Continue Reading
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News
05 May 2021
Twilio discloses breach caused by Codecov supply chain hack
Twilio utilizes Codecov tools including the previously compromised Bash Uploader script. It said that a "small number" of customer emails were potentially exposed. Continue Reading
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News
05 May 2021
Researchers use PyInstaller to create stealth malware
Academic researchers say the application builder could be used to create undetectable attack bundles that bypass many widely used antimalware programs. Continue Reading
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News
04 May 2021
Qualys finds 21 vulnerabilities in Exim mail software
Qualys, which discovered the '21Nails' vulnerabilities, said that it did not see evidence of exploitation, but many vulnerabilities are 17 years old and at risk of being exploited. Continue Reading
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News
03 May 2021
Apple hurries out fixes for WebKit zero-days
Mac and iOS users are urged to patch their devices immediately for Apple WebKit flaws following reports of active exploits in the wild. Continue Reading
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Podcast
30 Apr 2021
Risk & Repeat: Will the Ransomware Task Force make an impact?
The Institute for Security and Technology's Ransomware Task Force published several recommendations to better address the growing security threat. Will they work? Continue Reading
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News
29 Apr 2021
Ransomware Task Force takes aim at cryptocurrencies
The Ransomware Task Force released a new report with recommendations on how to tackle the growing ransomware problem, including regulation of cryptocurrency services. Continue Reading
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Feature
29 Apr 2021
SolarWinds puts national cybersecurity strategy on display
Biden imposed economic sanctions on Russia for its role in the SolarWinds cyber attack. Experts see the response as just one part of a larger national cybersecurity strategy. Continue Reading
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News
26 Apr 2021
Remaining Emotet infections uninstalled by German police
A German federal police action led to all infections of Emotet malware being uninstalled Sunday, following an international police takeover of Emotet infrastructure in January. Continue Reading
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News
26 Apr 2021
Hackers targeting VPN vulnerabilities in ongoing attacks
As remote work increased during the pandemic, threat actors increasingly targeted known vulnerabilities. Continue Reading
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Definition
23 Apr 2021
computer cracker
A computer cracker is an outdated term used to describe someone who broke into computer systems, bypassed passwords or licenses in computer programs, or in other ways intentionally breached computer security. Continue Reading
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News
22 Apr 2021
DOJ creates ransomware task force to combat digital extortion
An internal memo from the DOJ said the task force will 'bring the full authorities and resources of the Department' in order to confront the growing threat of ransomware. Continue Reading
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News
21 Apr 2021
Zero-day flaw in Pulse Secure VPN exploited in attacks
A remote code execution vulnerability found in Pulse Secure VPN appliances has been exploited in attacks affecting government, defense and financial organizations. Continue Reading
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News
21 Apr 2021
Hackers exploit 3 SonicWall zero-day vulnerabilities
SonicWall patched the zero-day vulnerabilities earlier this month, but the security vendor didn't disclose they were being exploited until Tuesday. Continue Reading
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News
20 Apr 2021
The wide web of nation-state hackers attacking the U.S.
Cybersecurity experts weigh in on what it means to be a nation-state hacker, as well as the activities and motivations of the 'big four' countries attacking the U.S. Continue Reading
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News
15 Apr 2021
Applus inspection systems still down following malware attack
Applus Technologies said it stopped a malware attack two weeks ago, but systems are still down as eight states are forced to extend vehicle inspection dates. Continue Reading
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Feature
15 Apr 2021
Nation-state hacker indictments: Do they help or hinder?
While there are some benefits to filing criminal charges against nation-state actors, infosec experts say thus far, indictments haven't reduced cyber attacks. Continue Reading
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News
14 Apr 2021
FBI removes web shells from infected Exchange servers
The DOJ announced the FBI had successfully removed hundreds of web shells from computers impacted by ProxyLogon and related Exchange Server vulnerabilities. Continue Reading
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News
13 Apr 2021
NSA finds new Exchange Server vulnerabilities
Microsoft said it has not seen the new Exchange Server vulnerabilities being used in attacks against customers, but customers are still advised to patch immediately. Continue Reading
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News
13 Apr 2021
McAfee: PowerShell threats grew 208% in Q4 2020
McAfee's latest threat report showed a sharp increase in PowerShell threats between Q3 and Q4 2020, in part due to malware known as Donoff and a rise in ransomware detections. Continue Reading
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News
08 Apr 2021
Cring ransomware attacking vulnerable Fortigate VPNs
A vulnerability impacting Fortinet's Fortigate VPN, first disclosed and patched in 2019, is being exploited by Cring ransomware operators to extort bitcoin from enterprises. Continue Reading
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News
07 Apr 2021
Cisco: Threat actors abusing Slack, Discord to hide malware
The threat intelligence vendor released a new report on how threat actors are increasingly abusing popular collaboration applications like Slack and Discord during the pandemic. Continue Reading
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News
05 Apr 2021
CISA: APTs exploiting Fortinet FortiOS vulnerabilities
Three Fortinet FortiOS vulnerabilities that have been fully patched since last summer are being exploited by advanced persistent threat actors, according to the FBI and CISA. Continue Reading
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News
01 Apr 2021
Man indicted in Kansas water facility breach
While the attempted tampering of a Kansas water facility occurred more than two years ago, the Justice Department this week indicted a 22-year-old former employee. Continue Reading
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News
01 Apr 2021
CISA: U.S. agencies must scan for Exchange Server attacks
CISA has not said whether any federal agencies have been hit by Exchange Server attacks, but the directive requires them to use Microsoft's detection tools to identify threats. Continue Reading
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News
01 Apr 2021
DHS: Ransomware poses a national security threat
Ransomware is just one threat DHS Secretary Alejandro Mayorkas discusses during an RSA Conference webcast on the cybersecurity challenges facing the U.S. Continue Reading
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News
30 Mar 2021
Mysterious Hades ransomware striking 'big game' enterprises
CrowdStrike reported Hades is tied to Evil Corp, but Awake Labs discovered a possible connection to Hafnium, a Chinese nation-state group behind initial Exchange Server attacks. Continue Reading
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News
24 Mar 2021
Nearly 100,000 web shells detected on Exchange servers
Although Microsoft reported a decrease in the number of vulnerable Exchange servers, new research shows a large amount of malicious web shells hiding inside networks. Continue Reading
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News
23 Mar 2021
'Black Kingdom' ransomware impacting Exchange servers
Both ransomware and scareware variants of Black Kingdom have been reported in attacks against vulnerable Exchange servers, but the reason for this remains unclear. Continue Reading
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News
19 Mar 2021
Acer hit by apparent attack from REvil ransomware group
Acer told SearchSecurity in a statement that it has 'reported recent abnormal situations observed to the relevant law enforcement.' However, it did not confirm a ransomware attack. Continue Reading
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News
18 Mar 2021
FBI IC3 report's ransomware numbers are low, experts say
The FBI's Internet Crime Complaint Center reported a massive increase in financial losses from 2020 ransomware attacks, but infosec experts say the problem is worse than statistics say. Continue Reading
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News
17 Mar 2021
SolarWinds hackers stole Mimecast source code
The investigation into a stolen Mimecast-issued digital certificate is now complete, and the vendor said the initial intrusion was Sunburst malware in the SolarWinds Orion platform. Continue Reading
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News
16 Mar 2021
RiskIQ: 69,548 Microsoft Exchange servers still vulnerable
Security intelligence vendor RiskIQ found that 69,548 servers remained unpatched as of Sunday and are vulnerable to attacks, with nearly 17,000 servers located in the U.S. Continue Reading
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News
16 Mar 2021
Timeline of Microsoft Exchange Server attacks raises questions
Multiple security vendors reported that exploitation of the Microsoft Exchange Server zero-days began well before their disclosure, but researchers are at a loss to explain why. Continue Reading
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News
12 Mar 2021
DearCry ransomware impacting Microsoft Exchange servers
While only a small number of DearCry ransomware victims have been reported at this time, the infections have hit organizations in the U.S., Canada, Australia and beyond. Continue Reading
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Feature
11 Mar 2021
After Oldsmar: How vulnerable is US critical infrastructure?
Following the highly publicized breach of a water treatment plant in Oldsmar, Fla., industrial security experts discuss the state of critical infrastructure risk in 2021. Continue Reading
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News
11 Mar 2021
Cisco found cryptomining activity within 69% of customers
Cisco found cryptomining malware affected a vast majority of customers in 2020, generating massive amounts of malicious DNS traffic while sucking up precious computing resources. Continue Reading
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News
08 Mar 2021
Microsoft releases tools as Exchange Server attacks increase
Microsoft said it's seen increased Exchange Server attacks, as well as more threat actors beyond the Chinese state-sponsored Hafnium group conducting attacks. Continue Reading
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News
03 Mar 2021
Microsoft Exchange Server zero-days exploited in the wild
Both the Cybersecurity and Infrastructure Security Agency and National Security Agency advise patching the Exchange Server zero-days immediately. Continue Reading
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News
03 Mar 2021
Accellion FTA attacks claim more victims
More details have emerged about the Accellion FTA attacks since the December disclosure, including possible threat groups behind the breach and a growing list of victims. Continue Reading
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Feature
01 Mar 2021
3 ransomware distribution methods popular with attackers
To prevent cyber attacks, understanding how they work is half the battle. Explore the most common ransomware distribution methods in this excerpt of 'Preventing Ransomware.' Continue Reading
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News
01 Mar 2021
Chinese threat group 'RedEcho' targeting Indian power grid
The Chinese nation-state actor's targets include 10 different Indian power sector organizations, but Recorded Future said there's no evidence RedEcho triggered blackouts. Continue Reading
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Feature
01 Mar 2021
Malware researcher speculates on the future of ransomware
Abhijit Mohanta, author of 'Preventing Ransomware,' opines on the future of ransomware and discusses why this attack is favored among cybercriminals. Continue Reading
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News
25 Feb 2021
Vastaamo breach, bankruptcy indicate troubling trend
The blackmailing of patients directly, as well as the resulting bankruptcy of Vastaamo Psychotherapy Centre, could single a shift in cyber crime tactics. Continue Reading
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News
24 Feb 2021
Senate hearing: SolarWinds evidence points to Russia
Executives from Microsoft and FireEye said that there was substantial evidence pointing to Russia's role in the SolarWinds attack and no evidence found leading anywhere else. Continue Reading
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News
24 Feb 2021
Dragos: ICS security threats grew threefold in 2020
A new report highlights the challenges facing ICS vendors today, including practices that are geared toward traditional IT and not designed for ICS security. Continue Reading
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News
22 Feb 2021
Chinese APT used stolen NSA exploit for years
Check Point's report details how a zero-day exploit credited to a Chinese nation-state threat group "is in fact a replica of an Equation Group exploit code-named 'EpMe.'" Continue Reading
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News
18 Feb 2021
White House: 100 companies compromised in SolarWinds hack
The White House discussed its response to the SolarWinds attacks, which so far have compromised nine federal agencies and approximately 100 private sector companies. Continue Reading
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News
17 Feb 2021
Wide net cast on potential Accellion breach victims
While Accellion fixed the zero-day vulnerability within 72 hours and said the breach affected 'less than 50 customers,' the attack's impact has expanded two weeks after the disclosure. Continue Reading
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News
17 Feb 2021
DOJ indicts additional WannaCry conspirators
The unsealed indictments accuse three individuals of being part of a hacking group, known as APT38 or Lazarus Group, within a North Korean military intelligence agency. Continue Reading
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Quiz
17 Feb 2021
Malware quiz: Test your knowledge of types and terms
Malware trends are constantly evolving, but older techniques are still often used in cyber attacks today. Test your knowledge of existing and emerging threats in this malware quiz. Continue Reading
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News
10 Feb 2021
Researcher used open source supply chain to breach tech giants
Security researcher Alex Birsan breached several major tech companies, including Microsoft and Apple, through a novel technique that manipulated open source supply chains. Continue Reading
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News
09 Feb 2021
Florida city's water nearly poisoned in TeamViewer attack
The intruder increased the quantity of sodium hydroxide in the water from 100 parts per million to 11,100 parts per million briefly before a water plant operator fixed it. Continue Reading
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News
09 Feb 2021
Ninety percent of dark web hacking forum posts come from buyers
Positive Technologies built a picture of dark web hacking forums via data from the 10 active forums and over 8 million users, though the veracity of such posts remains unclear. Continue Reading
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News
08 Feb 2021
Microsoft, SolarWinds in dispute over nation-state attacks
The latest investigation updates from SolarWinds and Microsoft offer differing views on how nation-state threat actors compromised SolarWinds' environment. Continue Reading
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Podcast
05 Feb 2021
Risk & Repeat: Diving into the dark web
This week's Risk & Repeat podcast discusses the state of the dark web in 2021, how it has changed and what enterprises should know about the threats that exist there. Continue Reading
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News
04 Feb 2021
SolarWinds Office 365 environment compromised
SolarWinds CEO Sudhakar Ramakrishna said nation-state threat actors first compromised a single email account and later gained access to the company's Orion platform environment. Continue Reading
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News
02 Feb 2021
SonicWall confirms zero-day vulnerability on SMA 100 series
After testing NCC Group's findings, SonicWall 'confirmed their submission as a critical zero-day in the SMA 100 series 10.x code, and are tracking it as SNWLID-2021-0001.' Continue Reading
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Feature
01 Feb 2021
The dark web in 2021: Should enterprises be worried?
SearchSecurity spoke with multiple experts to find out how the dark web has changed, what the security risks are for enterprises and the value of dark web monitoring services. Continue Reading
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News
28 Jan 2021
DOJ charges suspect in NetWalker ransomware attacks
The Department of Justice launched a coordinated effort to disrupt the notorious ransomware operation, which has infected healthcare organizations during the COVID-19 pandemic. Continue Reading
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News
27 Jan 2021
Emotet taken down in global law enforcement operation
Ukraine's National Police said two citizens of Ukraine face up to 12 years in prison for their role in maintaining and operating Emotet, and other suspects have been identified. Continue Reading
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News
26 Jan 2021
Mimecast certificate compromised by SolarWinds hackers
Mimecast conducted an investigation after being alerted by Microsoft that a certificate for Microsoft 365 Exchange Web Services authentication was stolen by a sophisticated actor. Continue Reading
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News
25 Jan 2021
SonicWall breached through 'probable' zero-day vulnerabilities
SonicWall's internal systems were breached, and the company is investigating its Secure Mobile Access (SMA) 100 series, a remote access product for SMBs, as a possible vector. Continue Reading
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News
20 Jan 2021
FireEye releases new tool to fight SolarWinds hackers
The new tool, dubbed Azure AD Investigator, will help audit Microsoft 365 environments for techniques used by the nation-state actors behind the SolarWinds supply chain attack. Continue Reading
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News
19 Jan 2021
Malwarebytes breached by SolarWinds hackers
Malwarebytes, which is not a SolarWinds customer, confirmed that nation-state actors used an entirely different vector to breach the antimalware vendor and access internal emails. Continue Reading
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News
19 Jan 2021
FBI warns against vishing attacks targeting enterprises
Though the FBI vishing warning references attacks that began in December 2019, the alert is reminiscent of the Twitter social engineering attacks that took place last July. Continue Reading