Heimadal Security

DECEMBER 9, 2022

Changing your website’s hosting is the closest you’ll ever get to magic in cybersecurity. The post What Is DNS Propagation and How to Keep Safe from DNS Attacks appeared first on Heimdal Security Blog. But instead of calling or text messaging everyone to announce the change and hope they’ll […].

DNS 90

DNS Cybersecurity 90

Heimadal Security

FEBRUARY 23, 2023

DNS records or resource records (RR) contain various types of data about domain names and IP addresses. They are stocked in DNS databases on authoritative DNS servers. DNS records offer information about what IP address is associated with what domain, for example.

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DNS Mobile Cybersecurity 82

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 144

DNS Telecommunications Malware Phishing 144

Security Boulevard

NOVEMBER 9, 2021

The domain name system (DNS) is known as the phone book of the internet, quickly connecting users from their devices to their desired content. The post DNSSEC: The Secret Weapon Against DNS Attacks appeared first on Security Boulevard. The post DNSSEC: The Secret Weapon Against DNS Attacks appeared first on Security Boulevard.

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DNS Internet Internet IoT 141

Security Boulevard

SEPTEMBER 12, 2021

While awareness of DNS security continues to grow, the cost, frequency and number of attacks remain high, while the pandemic and resulting hybrid work environments have resulted in huge disruption for organizations. The post Costly DNS Attacks on the Rise appeared first on Security Boulevard.

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DNS Cybersecurity Network Security 122

The Hacker News

AUGUST 11, 2021

Cybersecurity researchers have disclosed a new class of vulnerabilities impacting major DNS-as-a-Service (DNSaaS) providers that could allow attackers to exfiltrate sensitive information from corporate networks. "We

DNS 99

DNS Cybersecurity 99

Security Boulevard

NOVEMBER 8, 2021

For infosec professionals, that same spectrum of reactions may come into play when detecting a hijack on your domain name system (DNS). The post DNS Hijacking: What You Need to Know appeared first on Security Boulevard. When associated with airlines, in particular, the word can elicit feelings ranging from concern to outright terror.

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DNS InfoSec Cybersecurity Network Security 133

Security Boulevard

FEBRUARY 14, 2024

The post Infoblox Applies AI to DNS Traffic to Thwart Malware Infestations appeared first on Security Boulevard. Infoblox is leveraging AI to identify websites that are sources of malware and block them to make IT environments more secure.

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DNS Malware Risk Mobile 72

Adam Levin

MARCH 21, 2019

Department of Homeland Security issued an emergency directive in January 2019 giving government agencies ten days to verify that they weren’t compromised by DNS hijacking. For cybersecurity professionals, the welcome urgency behind these recent warnings may get lost in the wilderness of the cyber issues that they face.

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DNS Government Internet Internet 141

Heimadal Security

NOVEMBER 22, 2023

The cybersecurity solution of the future must be proactive and holistic, designed to face the most modern forms of attack. 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.

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DNS Risk Cybersecurity 68

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.

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DNS Cybersecurity 105

Security Affairs

MAY 9, 2021

A flaw in some DNS resolvers, tracked as TsuNAME, can allow attackers to launch DDoS attacks against authoritative DNS servers. domains), and the Information Science Institute at the University of Southern California has discovered a vulnerability, named TsuNAME, in some DNS resolvers. domains), InternetNZ (the registry for.nz

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DNS DDOS Hacking Information Security 134

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.

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DNS Ransomware Malware Cybersecurity 78

Heimadal Security

JULY 23, 2021

A global DNS outage related to the Akamai company made quite a stir on Thursday. Akamai stands for an enterprise based on content delivery network (CDN), cloud services, and cybersecurity. […]. . […]. The post DNS Global Outage Affected Websites and Online Services appeared first on Heimdal Security Blog.

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DNS Cybersecurity 98

Security Affairs

SEPTEMBER 25, 2022

The Internet Systems Consortium (ISC) fixed six remotely exploitable vulnerabilities in the BIND DNS software. The Internet Systems Consortium (ISC) this week released security patches to address six remotely exploitable vulnerabilities in BIND DNS software. SecurityAffairs – hacking, BIND DNS). Pierluigi Paganini.

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DNS Software Internet Internet 103

The Hacker News

JANUARY 27, 2023

The Internet Systems Consortium (ISC) has released patches to address multiple security vulnerabilities in the Berkeley Internet Name Domain (BIND) 9 Domain Name System (DNS) software suite that could lead to a denial-of-service (DoS) condition. "A Cybersecurity

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DNS Software Internet Internet 99

SC Magazine

MARCH 4, 2021

The National Security Agency (NSA) and Cybersecurity and Infrastructure Agency (CISA) released a joint information sheet Thursday that offers guidance on the benefits of using a Protective Domain Name System (PDNS). A PDNS service uses existing DNS protocols and architecture to analyze DNS queries and mitigate threats.

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DNS Architecture Firewall Malware 131

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 103

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.

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DNS Internet Internet Cybersecurity 104

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 82

DNS Cybersecurity 82

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.

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DNS Ransomware Internet Internet 88

Security Boulevard

SEPTEMBER 15, 2022

The post Why You Need a Secondary DNS appeared first on Security Boulevard. Many Canadians found themselves disconnected when cellular networks and the internet failed to respond—at home or at work. Businesses turned away customers because they couldn’t process debit or credit payments.

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DNS Telecommunications Internet Internet 93

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 is Russia’s second-largest store chain […].

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DNS Retail Data breaches Cybersecurity 77

Heimadal Security

JULY 13, 2021

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

DNS 103

DNS Internet Internet Cybersecurity 103

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. Any medium to large organization needs to have an online way of displaying its products or services.

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DNS Cybersecurity 95

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.

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DNS Cyber Attacks Cyber threats Internet 88

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 88

DNS Cybersecurity 88

The Hacker News

MAY 2, 2022

Cybersecurity researchers have disclosed an unpatched security vulnerability that could pose a serious risk to IoT products. The issue, which was originally reported in September 2021, affects the Domain Name System (DNS) implementation of two popular C libraries called uClibc and uClibc-ng that are used for developing embedded Linux systems.

DNS 100

DNS IoT Risk Cybersecurity 100

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 76

DNS Malware Cybersecurity 76

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?

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DNS VPN Internet Internet 84

Security Affairs

AUGUST 20, 2021

The Internet Systems Consortium (ISC) addressed a high-severity denial-of-service (DoS) flaw (CVE-2021-25218) affecting the BIND DNS software. The Internet Systems Consortium (ISC) has released security updates to address a high-severity denial-of-service (DoS) vulnerability, tracked as CVE-2021-25218 , that affects its BIND DNS software.

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DNS Internet Internet Software 104

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. Cybersecurity and Infrastructure Agency, U.K.’s s Cybersecurity Centre, ICANN, and other notable security experts. I like to think of this topic like the electricity that powers our homes.

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DNS Firewall Social Engineering Risk 182

Security Affairs

APRIL 11, 2024

Cybersecurity and Infrastructure Security Agency (CISA) adds D-Link multiple NAS devices bugs to its Known Exploited Vulnerabilities catalog. The vulnerability impacts D-Link DNS-320L, DNS-325, DNS-327L, and DNS-340L, which contain a command injection vulnerability.

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DNS Authentication Hacking Cybersecurity 116

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 93

DNS Risk DDOS Encryption 93

Security Affairs

MAY 1, 2021

The Internet Systems Consortium (ISC) released updates for the BIND DNS software to patch several denial-of-service (DoS) and potential RCE flaws. The post Flaws in the BIND software expose DNS servers to attacks appeared first on Security Affairs. If you want to receive the weekly Security Affairs Newsletter for free subscribe here.

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DNS Software Internet Internet 126

CyberSecurity Insiders

MAY 18, 2022

A foundational approach to cybersecurity empowers CISOs to see abnormalities and block threats before they do damage. Constantly playing catch-up seems to have become the unfortunate norm in the cybersecurity industry. So why aren’t more organizations taking advantage of protective DNS? The issue likely comes down to awareness.

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DNS Cybersecurity CISO Social Engineering 140

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.

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DNS Phishing Cybersecurity 90