Heimadal Security

SEPTEMBER 14, 2023

As malware and attack techniques continue to evolve in sophistication, DNS IoCs help threat hunting teams to prevent ransomware attacks. Prioritizing threat hunting to prevent and mitigate advanced threats is critical to safeguarding an organization`s data and assets.

DNS 79

DNS Ransomware Malware Cybersecurity 79

Heimadal Security

NOVEMBER 1, 2022

A ‘DNS server’, also known as ‘name server’ or ‘domain name system server’ is a computer server that stores a database of hostnames and their corresponding IP addresses and in most situations resolves or translates those names to the requested IP addresses. The post What Is a DNS Server?

DNS 87

DNS Software 87

Security Affairs

JUNE 11, 2022

Iran-linked Lyceum APT group uses a new.NET-based DNS backdoor to target organizations in the energy and telecommunication sectors. The Iran-linked Lyceum APT group, aka Hexane or Spilrin, used a new.NET-based DNS backdoor in a campaign aimed at companies in the energy and telecommunication sectors, ZScaler researchers warn.

DNS 143

DNS Telecommunications Malware Phishing 143

Heimadal Security

FEBRUARY 4, 2022

DNS allows computer networks to associate numerous pieces of information with each web domain. That’s why the DNS system converts each domain name […]. That’s why the DNS system converts each domain name […]. The post Best Free and Public DNS Servers appeared first on Heimdal Security Blog.

DNS 106

DNS Internet Internet Cybersecurity 106

Heimadal Security

JULY 10, 2023

DNS rebinding compromises the way domain names are resolved and is a technique threat actors use in cyberattacks. In this type of DNS attack, a malicious website directs users to launch a client-side script that will attack other devices in the network. Vulnerabilities and Protection Measures appeared first on Heimdal Security Blog.

DNS 84

DNS Cybersecurity 84

Heimadal Security

APRIL 24, 2023

DNS-Layer Security protects users from threats that arise from inbound and outbound traffic. It refers to monitoring communications between endpoints and the internet at a DNS-layer level. Imagine the DNS layer security as a gatekeeper who makes sure that all potentially malicious visitors remain at the gate. But that`s not all.

DNS 90

DNS Ransomware Internet Internet 90

Heimadal Security

SEPTEMBER 15, 2023

Finally, they need a better and more cost-effective way […] The post 5 Examples of DNS IoCs That Are Red Flags for Cyberattacks appeared first on Heimdal Security Blog. It also needs a fast communication system with employees and customers.

DNS 97

DNS Cybersecurity 97

Heimadal Security

NOVEMBER 22, 2023

This is what we here at Heimdal are devoted to achieving through our endpoint protection, detection, and response suite with a strong DNS Security component.

DNS 70

DNS Risk Cybersecurity 70

Heimadal Security

OCTOBER 4, 2022

DNS (Digital Network System), a Russian retail chain, disclosed yesterday that its systems have been breached by a threat actor. DNS is Russia’s second-largest store chain […]. The post Russian Retailer DNS Confirms Data Breach appeared first on Heimdal Security Blog.

DNS 78

DNS Retail Data breaches Cybersecurity 78

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.

DNS 110

DNS IoT Hacking Cybersecurity 110

Heimadal Security

JULY 28, 2023

Enter […] The post DNS Protection: A Must-Have Defense Against Cyber Attacks appeared first on Heimdal Security Blog. Your heart races as you realize that your sensitive data and personal information may be at risk. You scramble to find a solution to protect yourself and your company from these cyber threats.

DNS 90

DNS Cyber Attacks Cyber threats Internet 90

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.

DNS 140

DNS Phishing Ransomware Internet 140

Security Boulevard

FEBRUARY 14, 2024

The post New Integration: Domain Connect For Effortless DNS Management appeared first on EasyDMARC. The post New Integration: Domain Connect For Effortless DNS Management appeared first on Security Boulevard. We’re thrilled to share that we’ve integrated Domain.

DNS 64

DNS 64

Heimadal Security

NOVEMBER 28, 2022

Domain hijacking and DNS poisoning are two methods used by threat actors to perform a DNS spoofing attack and redirect traffic toward malicious websites. The post Domain Hijacking vs DNS Poisoning: Do You Know the Difference? The post Domain Hijacking vs DNS Poisoning: Do You Know the Difference? In this […].

DNS 90

DNS Cybersecurity 90

Heimadal Security

AUGUST 6, 2021

A brand-new category of DNS flaws that affects important DNS-as-a-Service (DNSaaS) suppliers has been recently discovered by cybersecurity specialists. The post New Category of DNS Vulnerabilities Impacts Numerous DNSaaS Platforms appeared first on Heimdal Security Blog.

DNS 105

DNS Cybersecurity 105

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.

DNS 270

DNS Internet Internet Government 270

Heimadal Security

APRIL 7, 2022

A clear DNS cache is an easy way to solve connectivity issues, as well as prevent some of the most widely-encountered DNS-based cyberattacks. In the following lines, you will find an overview of what a DNS cache is, as well as the importance of flushing it, […]. But how can you do that on your endpoints?

DNS 110

DNS 110

Heimadal Security

NOVEMBER 12, 2021

The Domain Name System (DNS), which supports the Internet presence of your company, is a centralized network run by different organizations worldwide. Simply put, the DNS is […]. Simply put, the DNS is […].

DNS 109

DNS Internet Internet 109

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.

DNS 116

DNS Encryption Internet Internet 116

Heimadal Security

DECEMBER 13, 2022

A ‘DNS leak’ is a security flaw that reveals Domain Name System (DNS) requests to an Internet Service Provider’s (ISP) servers, despite the user’s effort to conceal them through a Virtual Private Network (VPN) service. The post What Is a DNS Leak?

DNS 85

DNS VPN Internet Internet 85

Heimadal Security

JULY 23, 2021

A global DNS outage related to the Akamai company made quite a stir on Thursday. The post DNS Global Outage Affected Websites and Online Services appeared first on Heimdal Security Blog. Who Is Akamai?

DNS 98

DNS Cybersecurity 98

Quick Heal Antivirus

APRIL 26, 2022

What is DNS? DNS (Domain Name System) is a service that converts hostnames to IP addresses. The post Introduction of DNS tunneling and how attackers use it. appeared first on Quick Heal Blog | Latest computer security news, tips, and advice.

DNS 75

DNS Malware Cybersecurity 75

Security Boulevard

AUGUST 17, 2023

DNS is a critical infrastructure for your online services, a DNS DDoS attack risks the availability of your services. Attackers are experts in DNS and know all the weak points to target. Understanding how a DNS DDoS looks like, and the risks it poses to your business is key to designing a robust DNS security posture.

DNS 52

DNS DDOS Risk 52

Heimadal Security

OCTOBER 22, 2021

The DNS in and of itself has never been secure. Throughout time, this has led malicious actors to take advantage of this issue and develop elaborate attack techniques that leverage the DNS, such as […]. The post All You Need to Know About DNS Spoofing to Keep Your Organization Safe appeared first on Heimdal Security Blog.

DNS 105

DNS Internet Internet 105

Heimadal Security

MARCH 29, 2023

Techniques and DNS Security Risks appeared first on Heimdal Security Blog. Hackers can use C&C or C2 servers to create botnets and launch DDoS attacks, steal, delete, and/or encrypt data. Basically, a […] The post Command-and-Control Servers Explained.

DNS 94

DNS Risk DDOS Encryption 94

Heimadal Security

JULY 4, 2023

Almost anyone with minimal digital […] The post How to Identify Phishing Emails and Prevent an Attack Using DNS Filtering appeared first on Heimdal Security Blog. Phishing attacks and their consequences have been largely discussed in the past years.

DNS 92

DNS Phishing Cybersecurity 92

Heimadal Security

AUGUST 8, 2022

The DNS is an essential concept in the online world, and its operations empower users all around the world to access billions of websites every day. But what is DNS? And, perhaps more importantly, how does DNS work? In this article, you will learn the definition of the DNS and how the servers involved in […].

DNS 89

DNS 89

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.

DNS 126

DNS Financial Services Manufacturing Healthcare 126

Heimadal Security

DECEMBER 19, 2022

That’s what threat actors did when coming up with DNS tunneling as a method for their cyberattacks. By the way, did you know that 91% of online threats are maliciously using the Domain Name System (DNS)? The post What Is DNS Tunneling, and How to Detect and Prevent It appeared first on Heimdal Security Blog.

DNS 75

DNS Risk 75

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.

DNS 65

DNS Cyber Attacks Internet Internet 65

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? .

DNS 98

DNS Cyber Attacks Encryption Risk 98

Security Boulevard

MAY 9, 2023

Many articles in the industry and my blog on Deciphering SASE are very clear on the major constituents of SASE. Security functions across these components are […] The post Role of DNS-level security for SASE appeared first on Aryaka. The post Role of DNS-level security for SASE appeared first on Security Boulevard.

DNS 52

DNS Firewall 52

Heimadal Security

APRIL 13, 2021

Security experts from Forescout and JSOF have discovered a new set of DNS vulnerabilities that could impact more than 100 million IoT devices used by consumers and organizations. The post Name:Wreck DNS Bugs Put IoT Devices At Risk appeared first on Heimdal Security Blog.

DNS 92

DNS IoT Risk Cybersecurity 92

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?

DNS 103

DNS Internet Internet Cybersecurity 103

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 […].

DNS 98

DNS Internet Internet Education 98

Heimadal Security

OCTOBER 24, 2022

The post DNS Best Practices: A Quick Guide for Organizations appeared first on Heimdal Security Blog. Too frequently after an attack, the targeted organization discovers that it cannot dependably solve the information required to access that remote infrastructure, preventing it from […].

DNS 83

DNS Architecture Cybersecurity 83

Heimadal Security

MAY 28, 2021

The Domain Name System (DNS), with its quirks, kinks, and compulsion to create unnecessarily long acronyms is a world of its own (design). At this point, any DNS treatise, article, paper, or cheat-sheet, makes Encyclopedia Britannica’s letter “A” volume look like a “quit smoking” leaflet.

DNS 115

DNS Cybersecurity 115