eSecurity Planet

FEBRUARY 4, 2022

Malware is one of the biggest threats businesses face, and with nearly a third of all malware coming through the internet and email, businesses and consumers alike need ways to protect themselves. This guide covers the major categories of internet security suites and includes a few of the top options for each. Antivirus Software.

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Krebs on Security

APRIL 13, 2022

” “These could be the kind of vulnerabilities which appeal to ransomware operators as they provide the potential to expose critical data,” said Kevin Breen , director of cyber threat research at Immersive Labs. CVSS scores and are listed as “exploitation more likely by Microsoft.”

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Security Affairs

APRIL 7, 2024

The flaw affects multiple D-Link NAS devices, including models DNS-340L, DNS-320L, DNS-327L, and DNS-325. Netsecfish reported that over 92,000 Internet-facing devices are vulnerable. The flaw impacts the following devices: DNS-320L Version 1.11, Version 1.03.0904.2013, Version 1.01.0702.2013 DNS-325 Version 1.01

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Malwarebytes

JULY 4, 2022

After a good start, the Internet-enabled, technological revolution we are living through has hit some bumps in the road. To celebrate Independence Day we want to draw your attention to five technologies that could improve life, liberty and the pursuit of happiness on the Internet. DNS encryption.

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Malwarebytes

JUNE 6, 2022

The post A week in security (May 30 – June 5) appeared first on Malwarebytes Labs.

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Cisco Security

MARCH 11, 2021

After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis. Cryptomining.

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Cisco Security

AUGUST 11, 2021

The REvil ransomware family has been in the news due to its involvement in high-profile incidents, such as the JBS cyberattack and the Kaseya supply chain attack. The threat actors behind REvil attacks operate under a ransomware-as-a-service model. Figure 1-DNS activity surrounding REvil/Sodinokibi.

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Security Affairs

OCTOBER 29, 2020

FBI and the DHS’s CISA agencies published a joint alert to warn hospitals and healthcare providers of imminent ransomware attacks from Russia. The government agencies receive information about imminent attacks, threat actors are using the TrickBot botnet to deliver the infamous ransomware to the infected systems. Pierluigi Paganini.

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Security Affairs

FEBRUARY 13, 2025

The group also created the NotPetya ransomware that hit hundreds of companies worldwide in June 2017. Microsoft now spotted the subgroup compromising multiple Internet-facing infrastructures to enable Seashell Blizzard APT group to maintain persistence in the networks of high-value targets and support tailored network operations.

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Security Affairs

FEBRUARY 23, 2019

A new piece of ransomware called Cr1ptT0r infects embedded systems and network attached storage (NAS) devices exposed online. A new piece of ransomware called Cr1ptT0r was discovered by experts, it infects embedded systems and network attached storage (NAS) devices exposed online. No extension added to locked files.

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Security Boulevard

AUGUST 7, 2024

HYAS Protect protective DNS uses advanced data analytics to proactively block cyber threats, a feature unavailable in legacy systems relying on static DNS filtering. AV-TEST , one of the cybersecurity industry’s most trusted evaluators, rates HYAS as the most effective protective DNS solution on the market. What Is HYAS Protect?

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Security Boulevard

JULY 9, 2024

Operational resiliency necessitates intelligence, visibility, and confidence: the three foundational pillars of protective DNS (PDNS). This makes malware command-and-control, phishing attacks, DNS tunneling and a number of other attacks significantly less effective. But Wait, What Is Protective DNS?

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Security Boulevard

AUGUST 6, 2024

Threat Intelligence Report Date: August 6, 2024 Prepared by: David Brunsdon, Threat Intelligence - Security Engineer, HYAS Dynamic DNS (DDNS) is a service that automatically updates the Domain Name System (DNS) in real-time to reflect changes in the IP addresses of a domain.

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SC Magazine

FEBRUARY 17, 2021

A new effort from CIS seeks to provide support to hospitals targeted by ransomware. Perhaps no part of industry has been stung by the scourge of ransomware over the past year than hospitals. Organizations interested in signing up for the services can do so through the Center for Internet Security’s website.

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SecureList

DECEMBER 18, 2020

For instance, before making the first internet connection to its C2s, the Sunburst malware lies dormant for a long period, of up to two weeks, which prevents an easy detection of this behavior in sandboxes. In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. avsvmcloud[.]com”

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Security Boulevard

OCTOBER 2, 2023

This blog examines the escalating phishing landscape, shortcomings of common anti-phishing approaches, and why implementing a Protective DNS service as part of a layered defense provides the most effective solution. This staggering figure represents more than 59 percent of the losses from the top five most costly internet crimes worldwide.

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eSecurity Planet

DECEMBER 15, 2021

Nation-state cyber threat groups and ransomware attackers are moving in to exploit a critical flaw found in the seemingly ubiquitous Apache Log4j open-source logging tool, as attacks spread just days after the vulnerability that could affect hundreds of millions of devices was made public late last week. 11 as a malicious.NET binary file.

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CyberSecurity Insiders

MAY 18, 2022

By increasing visibility into DNS traffic, CISOs can detect, block, and respond to incidents more quickly as well as use this data to institute new controls and increase overall resiliency. So why aren’t more organizations taking advantage of protective DNS? The issue likely comes down to awareness.

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Duo's Security Blog

JULY 8, 2021

Though in recent weeks ransomware has firmly been in the forefront of people’s minds, the first documented instance of what we now know as ransomware dates back to Dr. Joseph Popp in 1989. This raises the question, why is ransomware in such clear focus now? Because we’ve all had enough of it.

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Security Affairs

SEPTEMBER 17, 2018

Palo Alto Network researchers discovered a new malware, tracked as XBash, that combines features from ransomware, cryptocurrency miners, botnets, and worms. The malicious code combines features from different families of malware such as ransomware, cryptocurrency miners, botnets, and worms. ” continues the report.

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eSecurity Planet

SEPTEMBER 3, 2022

These events can occur accidentally and even within a corporate network; however, intentional attacks on internet-facing resources are far more common. Also read: How to Secure DNS. DNS Flood: The attacking machines send spoofed DNS requests at a high packet rate to overwhelm the DNS server and shut down the domain.

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Malwarebytes

JULY 19, 2021

Last week on Malwarebytes Labs: DNS-over-HTTPS takes another small step towards global domination Nope, that isn’t Elon Musk , and he isn’t offering a free Topmist Dust watch either Four in-the-wild exploits, 13 critical patches headline bumper Patch Tuesday Is crypto’s criminal rollercoaster approaching a terminal dip?

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Malwarebytes

DECEMBER 1, 2023

For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name. As I explained in the blog DNS hijacks: what to look for , DNS is the phonebook of the internet to the effect that the input is a name and the output is a number.

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DNS Internet Internet Encryption 101

SecureList

JULY 28, 2021

It is linked to a vulnerability in DNS resolvers that allows amplification attacks on authoritative DNS servers. Attacks on DNS servers are dangerous because all the resources they serve become unavailable, regardless of their size and level of DDoS protection. In general, DDoS ransomware attacks continued to gain momentum.

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Security Affairs

AUGUST 22, 2021

million customers Adobe addresses two critical vulnerabilities in Photoshop Hamburg’s data protection agency (DPA) states that using Zoom violates GDPR Kalay cloud platform flaw exposes millions of IoT devices to hack Fortinet FortiWeb OS Command Injection allows takeover servers remotely 1.9

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eSecurity Planet

FEBRUARY 19, 2024

Akira ransomware vulnerabilities have also surfaced in older Cisco products, and SolarWinds patched some remote code execution flaws in its Access Rights Manager product. Among the vulnerabilities is CVE-2024-21412 , an Internet Shortcut Files flaw that allows an unauthenticated attacker to send a malicious file to a user.

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eSecurity Planet

MAY 2, 2024

Fortunately, vendor surveys identify five key cybersecurity threats to watch for in 2024: compromised credentials, attacks on infrastructure, organized and advanced adversaries, ransomware, and uncontrolled devices. 50,000 DDoS attacks on public domain name service (DNS) resolvers. 20,551 gambling industry attacks.

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Krebs on Security

AUGUST 25, 2018

Helpfully, this user pasted a great deal of information from the spam email message, including the domain name from which it was sent ( williehowell-dot-com ) and the Internet address of the server that sent the message (46.161.42.91). In early June 2018, uscourtsgov-dot-com was associated with a Sigma ransomware scam delivered via spam.

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Security Affairs

AUGUST 29, 2023

Sophos X-Ops is currently tracking a campaign by threat actors targeting unpatched Citrix NetScaler systems exposed to the internet. The attackers attempted to verify outbound network connectivity with a ping command and executed host commands for a subnet-wide DNS lookup. Network-segmentation controls blocked this activity too.

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Security Affairs

JANUARY 25, 2021

The DreamBus bot has a worm-like behavior that is highly effective, it is able to spread to systems that are not directly exposed to the internet by scanning private RFC 1918 subnet ranges for vulnerable systems. Ransomware, data theft). The malware has a modular structure and its modules have a low detection rate.

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Malwarebytes

JULY 26, 2022

It’s no secret that ransomware is one of the most pressing cyber threats of our day. What worse, ransomware gangs have increased their attacks on a range of vulnerable industries, with disruptions to business operations, million-dollar ransom demands, data exfiltration, and extortion. Part 2: Pinpointing the ransomware.

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Security Boulevard

JUNE 20, 2024

Financial organizations and their customers and clients feel the fallout of major ransomware and phishing campaigns more than ever, and there’s often more at stake. Luckily, even the most sophisticated ransomware attacks and phishing campaigns are not invulnerable. Using passive DNS is an essential tool for tracking bad actors.

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eSecurity Planet

NOVEMBER 3, 2022

We’ll get into specifics below, but here are five steps to prevent ransomware attacks, along with links to jump ahead: Harden against attacks : Patch, update, and change settings to harden resources against attacks. Internet Control Message Protocol (ICMP) or ping requests. For more information, see How to Prevent DNS Attacks.

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Security Affairs

AUGUST 20, 2021

“By infecting routers, they can perform man-in-the-middle (MITM) attacks—via HTTP hijacking and DNS spoofing—to compromise endpoints and deploy ransomware or cause safety incidents in OT facilities. .” state researchers at Microsoft Security Threat Intelligence Center and Section 52 at Azure Defender for IoT.

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eSecurity Planet

JANUARY 14, 2022

And DDoS attackers have adopted a tactic from ransomware groups and are seeking payment from victims and potential victims. Meanwhile, the 2021 State of the Data Center Industry research report placed DDoS behind ransomware as the threats that most worry the enterprise. Protects websites, networks, DNS and individual IPs.

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Krebs on Security

JUNE 21, 2023

This service is actually recommended by the purveyors of the RedLine information stealer malware , which is a popular and powerful malware kit that specializes in stealing victim data and is often used to lay the groundwork for ransomware attacks. WHO RUNS CRYPTOR[.]BIZ? The registration records for the website Cryptor[.]biz ” Crypt[.]guru’s

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Malwarebytes

APRIL 25, 2023

From there, further research identified a DNS signature not related to Pupy components. Infoblox claims that this unique DNS signature for Decoy Dog “ matches less than 0.0000027% of the 370 million active domains on the internet ” Pupy itself has been seen in numerous nation state attacks and other serious compromises.

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