Security Boulevard

FEBRUARY 23, 2023

Thankfully, nearly all malware depends on DNS at some point in their kill chain, making the protocol a critical vector for shutting down these threats. Some of the common forms these DNS-based attacks can take include: DNS spoofing: A malicious actor alters DNS records to redirect traffic to a fake website or server.

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Security Boulevard

MAY 8, 2024

For each attempted communication leaving your organization, the best way to ensure cyber resiliency and protect the organization from ensuing data leaks and damage is to understand: (i) Where is this connection going? (ii) CISA and the NSA call this Protective DNS and recommend it as part of the Shields Up initiative.

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DNS Cyber Insurance Internet Internet 64

Security Affairs

MAY 1, 2023

While analyzing billions of DNS records, Infoblox researchers discovered a sophisticated malware toolkit, dubbed Decoy Dog, that was employed in attacks aimed at enterprise networks. The researchers pointed out that while the malware is open source, deploying it as a DNS C2 requires a significant effort.

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The Last Watchdog

JUNE 1, 2021

The Pharming attacks are carried out by modifying the settings on the victim’s system or compromising the DNS server. Manipulating the Domain Name Service (DNS) protocol and rerouting the victim from its intended web address to the fake web address can be done in the following two ways: •Changing the Local Host file.

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Security Boulevard

MARCH 6, 2024

The truth is that we can make a paradigm shift in the way we think about detection, protection, and proactiveness with respect to intelligence and resilience. Even if employees’ devices are secure, the people and IoT devices that share the same home network (kids’ phones, printers, smart toasters, you name it) may not be protected.

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DNS Phishing Data breaches Cyber threats 86

Heimadal Security

SEPTEMBER 9, 2022

One of the most popular methods used by companies and providers to protect their environments from online dangers is DNS filtering (aka DNS blocking). The post What Is DNS Filtering and Why Does Your Business Need It? appeared first on Heimdal Security Blog.

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Security Boulevard

MAY 20, 2024

This discovery, coupled with historical passive DNS data linking the IP to a domain infamous from previous DNS tunneling campaigns suggests a significant and ongoing threat. Historical passive DNS data from 2023 links this IP to a claudfront.net domain, known for its involvement in DNS tunneling campaigns.

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DNS Malware Education Phishing 59

Webroot

FEBRUARY 16, 2021

In recent months, you’ve likely heard about DNS over HTTPS , also known as DNS 2.0 and DoH, which is a method that uses the HTTPS protocol to encrypt DNS requests, shielding their contents from malicious actors and others who might misuse such information. Ultimately, this DNS privacy upgrade has been a long time coming.

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Webroot

AUGUST 10, 2022

So, what does this mean for your business, your customers, your partners, and even your family as you vie to stay safe online and protect what matters most—data? In fact, there are 31% fewer infections when endpoint and DNS protection are combined. PHISHING PREYED ON A VOLATILE MARKET. To learn more, go to: www.brightcloud.com.

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Threat Reports DNS Phishing Malware 83

Krebs on Security

FEBRUARY 18, 2019

” The DNS part of that moniker refers to the global “ D omain N ame S ystem ,” which serves as a kind of phone book for the Internet by translating human-friendly Web site names (example.com) into numeric Internet address that are easier for computers to manage. PASSIVE DNS. That changed on Jan.

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Security Boulevard

MAY 20, 2022

What Is DNS Spoofing and How Is It Prevented? What Is the DNS and DNS Server? . To fully understand DNS spoofing, it’s important to understand DNS and DNS servers. The DNS “domain name system” is then what translates the domain name into the right IP address. What Is DNS Spoofing? .

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Security Boulevard

JUNE 22, 2023

Securing SMB Success: The Indispensable Role of Protective DNS Cyber attacks pose as much risk to small and medium-sized businesses (SMBs) as they do to large organizations — if not more. Implementing a Domain Name Service (DNS) security solution is the most efficient way to protect your business against a wide variety of attacks.

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DNS Small Business Cyber Attacks Antivirus 59

Malwarebytes

APRIL 9, 2024

This blog post aims to share the tactics, techniques and procedures (TTPs) as well as indicators of compromise (IOCs) so defenders can take action. Endpoints can be protected from malicious ads via group policies that restrict traffic coming from the main and lesser known ad networks.

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Malwarebytes

JULY 12, 2021

Firefox recently announced that it will be rolling out DNS-over-HTTPS (or DoH) soon to one percent of its Canadian users as part of its partnership with CIRA (the Canadian Internet Registration Authority), the Ontario-based organization responsible for managing the.ca The DNS resolver the request is sent to also sees the DNS request, too.

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DNS Encryption Internet Internet 105

Security Boulevard

MAY 10, 2023

HYAS has published multiple internal studies demonstrating how powerful this data actually is in various HYAS blogs , but of course the ultimate proof is third-party validation. By utilizing unique and bespoke data, assembled and correlated in the right way, HYAS has actually created the most effective Protective DNS solution on the planet.

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DNS CISO Architecture Data privacy 69

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. Get a free trial below.

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DNS Internet Internet Encryption 82

Cisco Security

MARCH 11, 2021

Our Threat Trends blog series takes a look at the activity that we see in the threat landscape and reports on those trends. After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. Organizations and malicious DNS activity. Cryptomining.

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DNS Phishing Ransomware Internet 144

Krebs on Security

APRIL 9, 2024

Microsoft today released updates to address 147 security holes in Windows, Office , Azure ,NET Framework , Visual Studio , SQL Server , DNS Server , Windows Defender , Bitlocker , and Windows Secure Boot. Yes, you read that right. “As far as I can tell, it’s the largest Patch Tuesday release from Microsoft of all time.”

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DNS Social Engineering Malware Media 237

Webroot

APRIL 13, 2021

This includes essential security measures like firewalls, endpoint protection and DNS protection. While the corporate office is usually equipped with firewalls, DNS protection, corporate logins and security guards at the front door, now that everybody’s working from home, all of those things are absent.

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Ransomware DNS Firewall Security Awareness 123

Cisco Security

MARCH 16, 2021

In this blog I’ll describe two recent privacy advances—DNS over HTTPS (DoH) and QUIC—and what we’re doing to maintain visibility. Keeping your destination private: DNS over HTTPS. When you type “example.com” in your browser, the request goes to a DNS server that matches the URL to an IP address.

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Encryption DNS Threat Detection Internet 87

Cisco Security

MARCH 23, 2021

In our Threat Trends blog series , we attempt to provide insight into the prevalent trends on the threat landscape. This is what we covered in part one of this Threat Trends release on DNS Security, using data from Cisco Umbrella , our cloud-native security service. Part 2: Industry trends. Financial Services.

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DNS Financial Services Manufacturing Healthcare 137

Webroot

MAY 6, 2024

The latest OpenText Threat Report provides insight into these changes, offering vital insights that help us prepare and protect ourselves against emerging threats. Multi-factor authentication (MFA) can add a vital layer of protection, and carefully inspect email addresses and links before taking any action.

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Antivirus Education Cyber threats Phishing 84

Webroot

MARCH 29, 2021

An endpoint DNS solution could have stopped the Trojanized Orion version by refusing to resolve the domain names of the command-and-control servers, again disrupting the infection to the point that no real damage could be done. DNS security solutions are one way of addressing this risk. Remote work threatens defense in depth.

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Hacking DNS Firewall Malware 116

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 is where Protective DNS comes in. No reliance on match lists, signatures, or patterns.

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DNS Phishing Social Engineering Engineering 64

Security Boulevard

JUNE 21, 2023

A Pi-hole generally runs on a Raspberry Pi (hence the name) and acts as the DNS resolver for the devices on your home network. Block Malware on Your Home Network It is well-understood in the enterprise that Protective DNS adds a crucial defense layer. It doesn't detect or protect other devices, and can still let things through.

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Firmware DNS Malware Manufacturing 105

The Last Watchdog

DECEMBER 6, 2019

In 2019, we’ve seen a surge in domain name service (DNS) hijacking attempts and have relayed warnings from the U.S. In the enterprise environment, domain names, DNS, and certificates are the lifeline to any internet-based application including websites, email, apps, virtual private networks (VPNs), voice over IP (VoIP) and more.

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DNS Firewall Social Engineering Risk 182

Webroot

MAY 12, 2021

That’s when she came across the Webroot® portfolio of cyber resilience products for endpoint protection, DNS protection, and end user training. “I The post How MSPs can use Webroot Cyber Resilience Solutions to Get their Time Back appeared first on Webroot Blog. I actually remember the change in mood within my company.

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DNS Security Awareness Software 69

Cisco Security

AUGUST 12, 2021

This requires a robust connection to the Internet (Lumen and Gigamon), firewall protection (Palo Alto Networks), segmented wireless network (Commscope Ruckus) and network full packet capture & forensics and SIEM (RSA NetWitness); with Cisco providing cloud-based security and intelligence support. DNS traffic at Record Low.

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DNS Firewall Phishing Mobile 144

Webroot

SEPTEMBER 7, 2023

That means implementing a layered security and data management strategy that encompasses prevention, protection, and recovery so that your data, your bottom line, and your reputation remain secure. In this article, we’ll discuss the importance of data security and protection. Here are two tools that can protect your data: 1.

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Encryption Cyber Insurance Cybercrime Phishing 88

Krebs on Security

JULY 14, 2020

Top of the heap this month in terms of outright scariness is CVE-2020-1350 , which concerns a remotely exploitable bug in more or less all versions of Windows Server that attackers could use to install malicious software simply by sending a specially crafted DNS request.

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Vipre

JANUARY 27, 2021

Most of you have probably heard about encrypted DNS (DNS-over-HTTPS or DoH, and DNS-over-TLS or DoT) and have noticed that several of the major browser vendors have rolled out support for these newer protocols. Maybe you don’t even run your own DNS server, so why would you care? is the OS’s problem.

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DNS Encryption 45

Cisco Security

MARCH 17, 2021

Second, control is required for protecting employees from threats wherever they are and ensuring the right access to applications and data. The cloud-delivered Cisco Umbrella simplifies the delivery of protection to users anywhere they access network and cloud applications. Subscribe to the Cisco Networking blog. What is SASE?

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Architecture DNS Firewall Accountability 141

Security Affairs

APRIL 21, 2022

Umbrella integrates secure web gateway, firewall, DNS-layer security, and cloud access security broker (CASB) functionality to protect systems against threats. Umbrella is Cisco’s cloud-based Secure Internet Gateway (SIG) platform that provides users with multiple levels of defense against internet-based threats.

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DNS Firewall Internet Internet 114

SiteLock

AUGUST 27, 2021

Cybercriminals are constantly crawling the web for targets, and they’ll often go after websites you might not expect, such as a vegan cooking blog. What can Abby do to protect her website? Joe’s Vegan Blog Cooks Up Comment Spam. Joe is the founder of a widely popular vegan food blog. What can Joe do to protect his blog?

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Hacking DDOS eCommerce Firewall 98

Security Affairs

JANUARY 27, 2023

Microsoft published a post to urge its customers to protect their Exchange servers because threat actors actively attempt to exploit vulnerabilities in unpatched installs. Be sure to install any necessary updates on dependency servers, including Active Directory, DNS, and other servers used by Exchange.

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Social Engineering DNS Engineering Hacking 96

Security Boulevard

APRIL 18, 2024

This collaboration signifies a significant step forward in our shared mission to bolster cyber defenses across the Middle East, leveraging our innovative HYAS Protect solution to safeguard digital assets with unparalleled efficacy, configurability, and speed. Don’t miss our upcoming threat intelligence webinar! Full forward!

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Digital transformation Architecture Cyber threats DNS 64

Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi.

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