Heimadal Security

OCTOBER 22, 2021

The DNS in and of itself has never been secure. Being created in the 1980s when the Internet was a complete novelty, protection had not been a priority in its design. Throughout time, this has led malicious actors to take advantage of this issue and develop elaborate attack techniques that leverage the DNS, such as […].

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DNS Internet Internet 105

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 DNS-over-HTTPS is designed to shut out everyone else.

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DNS Encryption Internet Internet 108

Heimadal Security

MARCH 17, 2023

One area that requires particular attention is the Domain Name System (DNS). DNS attacks are more common than one might think, simply because they essentially exploit the way the internet works. During a DNS attack, […] The post 5 Ways Heimdal® Protects You From DNS Attacks appeared first on Heimdal Security Blog.

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DNS Cyber Attacks Internet Internet 65

Heimadal Security

JULY 13, 2021

A new internet protocol is making headlines in the world of enterprise security: DNS over HTTPS. The post DNS over HTTPS (DoH): Definition, Implementation, Benefits, and More appeared first on Heimdal Security Blog. Are you ready for this cybersecurity revolution yourself?

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DNS Internet Internet Cybersecurity 103

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 139

Heimadal Security

DECEMBER 23, 2021

DNS content filtering refers to the process in which an Internet filter allows or blocks access to a specific website’s content according to its IP address and not to the domain name. But before diving into what DNS content filtering is and why your business needs it, I think it wouldn’t be a bad idea […].

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DNS Internet Internet Education 98

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. In 2021 alone, estimated adjusted losses from BEC totaled $2.4

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DNS Phishing Social Engineering Engineering 64

Security Affairs

MAY 3, 2022

A vulnerability in the domain name system (DNS) component of the uClibc library impacts millions of IoT products. Nozomi Networks warns of a vulnerability, tracked as CVE-2022-05-02, in the domain name system (DNS) component of the uClibc library which is used by a large number of IoT products. ” continues the advisory.

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DNS IoT Hacking Cybersecurity 95

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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DNS Cyber Attacks Encryption Risk 98

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

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 61

Krebs on Security

MARCH 9, 2021

Top of the heap this month (apart from the ongoing, global Exchange Server mass-compromise ) is a patch for an Internet Explorer bug that is seeing active exploitation. In the ENKI blog post, the researchers said they will publish proof-of-concept (PoC) details after the bug has been patched.

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DNS Internet Internet Software 323

Heimadal Security

JANUARY 10, 2024

Sea Turtle Turkish state-backed group changed to focus on internet service providers (ISPs), telcos, media, and Kurdish websites. DNS hijacking and traffic redirection that leads to man-in-the-middle attacks are among their cyber espionage techniques.

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Telecommunications DNS Media Internet 71

The Last Watchdog

MARCH 28, 2019

His blog, Krebs on Security , was knocked down alright. The author of Mirai used a sledgehammer to kill a fly: the DDoS bombardment was so large that it also wiped out Dyn , a UK-based internet performance vendor. Today, the potential for so-called DNS reflective attacks has become pervasive. A10 Networks’ report found 6.3

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DDOS IoT DNS Internet 263

Malwarebytes

JUNE 5, 2022

The open-source project lets people browse the Internet more anonymously by routing their traffic across different nodes before making a final connection between their device and a desired website. The post Tor’s (security) role in the future of the Internet, with Alec Muffett appeared first on Malwarebytes Labs.

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Internet Internet DNS Surveillance 95

Krebs on Security

JANUARY 22, 2019

Experts at Cisco Talos and other security firms quickly drew parallels between the two mass spam campaigns, pointing to a significant overlap in Russia-based Internet addresses used to send the junk emails. When it was initially set up, it took advantage of two managed DNS servers assigned to it by GoDaddy — ns17.domaincontrol.com,

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DNS Internet Internet Computers and Electronics 242

Krebs on Security

FEBRUARY 4, 2019

Spammy Bear targeted dormant but otherwise legitimate domains that had one thing in common: They all at one time used GoDaddy’s hosted Domain Name System (DNS) service. The domains documented by MyOnlineSecurity all had their DNS records altered between Jan. 31 and Feb. 22 report on the GoDaddy weakness. Image: Farsight Security.

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DNS Ransomware Accountability Internet 246

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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DNS Phishing Social Engineering Cyber Attacks 214

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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Malware DNS Education Media 70

McAfee

FEBRUARY 17, 2021

Use of “domain age” is a feature being promoted by various firewall and web security vendors as a method to protect users and systems from accessing malicious internet destinations. The sites and domains of the internet are constantly changing and evolving. The concept is to use domain age as a generic traffic filtering parameter.

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Internet Internet DNS Risk 65

Cisco Security

MARCH 27, 2021

Shrink the DNS attack surface with Auth-DoH. In this analogy, the invisibility superpower is DNS over HTTPS (DoH). It’s a new protocol that encrypts the DNS request to keep bad actors from discovering or altering domain names or snooping on users’ internet destinations. My inspiration: Loki , the Marvel superhero.)

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DNS VPN Advertising Encryption 105

Security Boulevard

MAY 8, 2024

Are you similarly asking the same questions — for each connection that originates inside your network and tries to talk to a remote piece of Internet infrastructure outside your network, why are we talking to it, who is it really, and should we be talking to it? That’s the role of Protective DNS.

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DNS Cyber Insurance Internet Internet 64

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 249

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 85

Webroot

MARCH 9, 2021

In that spirit, we put together this blog post to explain the different hacker types and methods they use against us. DNS (Domain Name System) is especially vulnerable. Once the criminal redirects internet traffic to malicious websites or takes control of servers, the damage is inevitable. appeared first on Webroot Blog.

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Hacking DNS Surveillance Cybercrime 115

Krebs on Security

APRIL 4, 2024

Other Privnote phishing domains that also phoned home to the same Internet address as pirwnote[.]com com is currently selling security cameras made by the Chinese manufacturer Hikvision , via an Internet address based in Hong Kong. Searching DomainTools for domains that include both of these terms reveals pirwnote[.]com.

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Phishing Cryptocurrency DDOS Internet 222

Malwarebytes

OCTOBER 5, 2021

The Internet is a patchwork of hundreds of thousands of separate networks, called Autonomous Systems, that are stitched together with BGP. To route data across the Internet, Autonomous Systems need to know which IP addresses other Autonomous Systems either control or can route traffic to. Thankfully, it withstood the onslaught.

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DNS Internet Internet Mobile 143

Security Boulevard

MARCH 13, 2024

It’s also why HYAS clients depend upon our protective DNS solution, HYAS Protect , as a trusted and necessary component of their security stack. HYAS Protect also enforces acceptable internet use policies and aligns them all with existing business units, departments, and teams in your company. Classic blunders? Not if we can help it!

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DNS Architecture Cyber threats Phishing 49

NetSpi Technical

OCTOBER 19, 2023

As these are pointing at localhost, it is very likely this is being used as a way to prevent outbound internet access. Moving on, lets see if we can get outbound internet access. It looks like there is no route out from the container to the Internet. Let’s try DNS. Let’s see if we can connect to that and grab the HTML.

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DNS Internet Internet Phishing 97

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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DNS Backups System Administration Software 287

Cisco Security

MARCH 16, 2021

Hiding internet activity strengthens privacy—but also makes it easier for bad actors to infiltrate the network. 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.

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Encryption DNS Threat Detection Internet 85

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

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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DNS Encryption Firewall Network Security 69

Security Affairs

APRIL 21, 2022

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

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DNS Firewall Internet Internet 107

Security Affairs

MAY 16, 2023

The researchers discovered eight vulnerabilities that impact thousands of internet-connected devices worldwide. The experts demonstrated multiple attack vectors, including the exploitation of flaws in internet-exposed services, cloud account takeover, and the exploitation of flaws in the cloud infrastructure. through 00.07.03.4

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Hacking Internet Internet Manufacturing 88

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. Every employee’s home network has a different set of security protocols and internet use is unregulated.

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Hacking DNS Firewall Malware 116

Security Boulevard

MAY 10, 2023

From a capability standpoint, HYAS not only continually gathers unique and bespoke data, but assembles it in a proprietary graph database that is constantly evolving to represent the real-time view of adversary infrastructure on the Internet. Today I’m thrilled, excited, and humbled by the recent report from AV-TEST.

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DNS CISO Architecture Data privacy 69