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Key Findings Even years after their disclosure, VPN-related vulnerabilities like CVE-2018-13379 and CVE-2022-40684 remain essential tools for attackers, driving large-scale campaigns of credential theft and administrative control. How AI and automation are amplifying the scale and sophistication of VPN attacks.
Zyxel warns that a ransomware group has been observed exploiting a recently patched command injection issue in its firewalls. Zyxel warns that a ransomware gang has been observed exploiting a recently patched command injection vulnerability, tracked as CVE-2024-42057, in its firewalls for initial compromise.
On Monday, networking hardware maker Zyxel released security updates to plug a critical security hole in its network attached storage (NAS) devices that is being actively exploited by crooks who specialize in deploying ransomware. Today, Zyxel acknowledged the same flaw is present in many of its firewall products.
Operators behind the SuperBlack ransomware exploited two vulnerabilities in Fortinet firewalls for recent attacks. Between January and March, researchers at Forescout Research Vedere Labs observed a threat actors exploiting two Fortinet vulnerabilities to deploy the SuperBlack ransomware. ” reads the report.
has charged a Chinese national for hacking thousands of Sophos firewall devices worldwide in 2020. has charged the Chinese national Guan Tianfeng (aka gbigmao and gxiaomao) for hacking thousands of Sophos firewall devices worldwide in 2020. It was designed to download payloads intended to exfiltrate XG Firewall-resident data.
Hackers attempted to exploit a zero-day flaw in the Sophos XG firewall to distribute ransomware to Windows machines, but the attack was blocked. It was designed to download payloads intended to exfiltrate XG Firewall-resident data. The customer noticed “a suspicious field value visible in the management interface.”. “The
In February, hardware maker Zyxel fixed a zero-day vulnerability in its routers and VPNfirewall products after KrebsOnSecurity told the company the flaw was being abused by attackers to break into devices. which boasts some 100 million devices deployed worldwide.
Fog and Akira ransomware operators are exploiting SonicWall VPN flaw CVE-2024-40766 to breach enterprise networks. Fog and Akira ransomware operators are exploiting the critical SonicWall VPN vulnerability CVE-2024-40766 (CVSS v3 score: 9.3) to breach corporate networks via SSL VPN access. 5035 and older versions.
CISA and the NSA agencies have published guidance for securely using virtual private network (VPN) solutions. Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance for increasing the security of virtual private network (VPN) solutions.
Microsoft first noticed that to conceal malicious traffic, the threat actor routes it through compromised small office and home office (SOHO) network devices, including routers, firewalls, and VPN hardware. The group also relies on customized versions of open-source tools for C2 communications and stay under the radar.
An infection has been found, a breach was discovered, or ransomware has disabled systems or made files unretrievable. Use a firewall and VPN A firewall protects an entry point to a network while a VPN creates an encrypted tunnel between two networks. Often security issues are just dealt with when the need arises.
Microsoft is sending notifications to dozens of hospitals about vulnerable VPN devices and gateways exposed online in their network. Microsoft is warning dozens of hospitals of the risks of ransomware attacks due to insecure VPN devices and gateways exposed online. ” reads the post published by Microsoft.
Many people use a virtual private network (VPN) to bypass geographic restrictions on streaming sites or other location-specific content. Since a VPN tunnels traffic through a server in a location of your choosing. VPN’s can play another critical role, such as improving online privacy. Set up firewalls.
The directive applies to any networking devices — such as firewalls, routers and load balancers — that allow remote authentication or administration. The researchers found that just being able to reach the management interface for a vulnerable Fortinet SSL VPN appliance was enough to completely compromise the devices.
NetWalker ransomware operators continue to be very active, according to McAfee the cybercrime gang has earned more than $25 million since March 2020. McAfee researchers believe that the NetWalker ransomware operators continue to be very active, the gang is believed to have earned more than $25 million since March 2020.
Upon investigation, you discover it’s ransomware. You look for your cold replica in your DR site, but like your production servers, it has also been encrypted by ransomware. Your backups, the backup server, and all the backup storage — all encrypted by ransomware. All inter-VLAN traffic should go through a firewall.
Many enterprises have accelerated their use of Virtual Private Network (VPN) solutions to support remote workers during this pandemic. However deploying VPNs on a wide-scale basis introduces performance and scalability issues. SASE then provides secure connectivity between the cloud and users, much as with a VPN. Ransomware.
CISA adds Aviatrix Controllers vulnerability to its Known Exploited Vulnerabilities catalog ESET detailed a flaw that could allow a bypass of the Secure Boot in UEFI systems Russia-linked APT Star Blizzard targets WhatsApp accounts Prominent US law firm Wolf Haldenstein disclosed a data breach Clop Ransomware exploits Cleo File Transfer flaw: dozens (..)
Malware has been around for nearly 40 years, longer even than the World Wide Web, but ransomware is a different kind of threat, capable of crippling a company and damaging or destroying its critical data. Ransomware Protection and Recovery Steps. Ransomware removal tools. Ransomware recovery services. Data backup.
These devices exist outside of direct corporate management and provide a ransomware gang with unchecked platforms for encrypting data. Ransomware remains just one of many different threats and as security teams eliminate key vectors of attack, adversaries will shift tactics. How does remote encryption work?
CISA adds Apple iOS and iPadOS and Mitel SIP Phones flaws to its Known Exploited Vulnerabilities catalog Attackers exploit recently disclosed Palo Alto Networks PAN-OS firewalls bug U.S. custody in exchange for Marc Fogel North Korea-linked APT Emerald Sleet is using a new tactic U.S.
The FBI and CISA warn of attacks carried out by the Rhysida ransomware group against organizations across multiple industry sectors. FBI and CISA published a joint Cybersecurity Advisory (CSA) to warn of Rhysida ransomware attacks against organizations across multiple industry sectors. ” reads the joint advisory.
Then a global pandemic came along and laid bare just how brittle company VPNs truly are. Criminal hackers recognized the golden opportunity presented by hundreds of millions employees suddenly using a company VPN to work from home and remotely connect to an array of business apps. Two sweeping trends resulted: one bad, one good.
Ransomware is everywhere these days, striking fear into the hearts of IT and business managers alike. And studies support that perception, showing ransomware growing in both prevalence and effectiveness. Best Ransomware Removal Tools. Here we’ll focus on removal tools. Protect against cloud threats and misconfiguration.
Aside from the antivirus feature, it offers features like a Windows firewall, smart app control, device health, family options, browser control, and robust security settings. Firewall and network protection : Microsoft Defender’s built-in firewall actively monitors private and public network traffic, preventing unauthorized connections.
Key Findings The last quarter of 2024 proved to be a pivotal period for ransomware activity, marked by emerging threats and unexpected shifts among established groups. Ransomware Activity Hits All-Time High in December Ransomware attacks have been climbing steadily over the past few years, despite some temporary dips along the way.
A newly discovered malware campaign leverages steganography to hide GandCrab ransomware in an apparently innocent Mario image. Security experts at Bromium have discovered a malware campaign using steganography to hide the GandCrab ransomware in a Mario graphic package. ” continues the expert. .” Pierluigi Paganini.
A critical vulnerability, tracked as CVE-2021-20019 , in SonicWall VPN appliances was only partially patched last year and could allow a remote attacker to steal sensitive data. The flaw resides in the HTTP/HTTPS service used for product management as well as SSL VPN remote access. “An 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v
X remote access devices that they have been made aware of an imminent ransomware campaign using stolen credentials. In its report, SonicWall reports that ransomware attacks are being launched against these products using a known vulnerability in the 8.x SSL-VPN 200/2000/400 (EOL 2013/2014) disconnect immediately and reset passwords.
Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press.
Back in June, the Department of Homeland Security (DHS) issued an advisory that married together two of today’s major cybersecurity concerns: remote access technology and ransomware. VPNs continue to be problematic as well. VPN technology allows better security and more granularity in terms of access. million exposed RDP ports.
In addition to standard firewalls , features in UTMs often include intrusion detection and prevention systems (IDPS) , secure web gateways , secure email gateways , remote access , routing and WAN connectivity. Some vendors have ditched the UTM label and prefer to call their tools next-generation firewalls (NGFW). URL filtering.
Antivirus Software WiFi 6 Routers Virtual Private Networks Password Managers Email Security Software Web Application Firewall Bot Management Software. Virtual Private Networks (VPNs). A virtual private network (VPN) takes a public internet connection (i.e. Key Features of a VPN. Best VPNs for Business. Back to top.
A cyberattack on gambling giant IGT disrupted portions of its IT systems China-linked APT Gelsemium uses a new Linux backdoor dubbed WolfsBane Microsoft seized 240 sites used by the ONNX phishing service U.S.
CISA and the FBI published guidance for the victims impacted by the REvil supply-chain ransomware attack against Kaseya. CISA and the Federal Bureau of Investigation (FBI) have published guidance for the organizations impacted by the massive REvil supply-chain ransomware attack that hit Kaseya ‘s cloud-based MSP platform.
Although cybercrime as a whole has seen a rise during the pandemic, arguably ransomware has been one of the more successful and lucrative attack types. Our own research report, the State of Encrypted Attacks Report 2020 , found that there had been a 500 per cent rise in ransomware compared to 2019. Security hygiene is the best defence.
Cisco is aware of reports that Akira ransomware threat actors have been targeting Cisco VPNs that are not configured for multi-factor authentication to infiltrate organizations, and we have observed instances where threat actors appear to be targeting organizations that do not configure multi-factor authentication for their VPN users.
This year we saw the reemergence of old vectors: from ransomware & trojans, to supply chain attacks. Cisco Secure Firewall integrations. Cisco Secure Firewall has several new partner integrations. CyberArk reduces VPN risk with MFA enforcement on any VPN client that supports RADIUS; including Cisco Secure Firewall.
The US Department of Homeland Security (DHS) and the FBI published a joint alert on the activity associated with the infamous SamSam ransomware. In March 2018, computer systems in the City of Atlanta were infected by ransomware, the cyber attack was confirmed by the City officials. Other regions known to have. A few days ago, the U.S.
Ransomware has been a daunting threat to organizations worldwide for decades. Recent trends show that ransomware attacks continue to grow more advanced and persistent. million ransomware attacks blocked by the Zscaler cloud, amounting to a 17.8% Top ransomware trends1. ThreatLabz analyzed 4.4
CVE-2023-27997 (Fortinet FortiOS and FortiProxy SSL-VPN): A remote user can craft specific requests to execute arbitrary code or commands. The actor can then steal information, launch ransomware, or conduct other malicious activity. The request allows a cyber actor to take full control of a system.
A Canadian college and a global investment firm’s computer network were compromised with ransomware after hackers broke into the virtual private network of Fortinet devices. eSentire TRU named the newly found ransomware as Kalaja-Tomorr or Kalajatomorr that emerged in March 2022 and is targeting only English-speaking companies.
Healthcare and Public Health sector with ransomware. businesses, mainly in the Healthcare and Public Health (HPH) Sector, with ransomware operations. The Daixin Team is a ransomware and data extortion group that has been active since at least June 2022. The threat actors obtained the VPN credentials through phishing attacks.
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