eSecurity Planet

NOVEMBER 10, 2023

DNS security protects the domain name system (DNS) from attackers seeking to reroute traffic to malicious sites. Since a majority of business IT traffic now accesses or passes through the internet, DNS plays an increasingly important — and vulnerable — role.

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Schneier on Security

APRIL 18, 2019

DNS hijacking isn't new, but this seems to be an attack of uprecidented scale: Researchers at Cisco's Talos security division on Wednesday revealed that a hacker group it's calling Sea Turtle carried out a broad campaign of espionage via DNS hijacking, hitting 40 different organizations.

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DNS Internet Internet Risk 250

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. Some operating systems allow packets received via other protocols to affect PMTUD values for DNS over UDP.” SecurityAffairs – hacking, BIND DNS ). Pierluigi Paganini.

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DNS Internet Internet Software 103

CSO Magazine

MARCH 29, 2021

Being the backbone of the internet, the Domain Name System (DNS) protocol has undergone a series of improvements and enhancements over the past few years.

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DNS Encryption Internet Internet 135

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. In April 2021, a troubling report indicated that an.

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Krebs on Security

FEBRUARY 18, 2019

This post seeks to document the extent of those attacks, and traces the origins of this overwhelmingly successful cyber espionage campaign back to a cascading series of breaches at key Internet infrastructure providers. federal civilian agencies to secure the login credentials for their Internet domain records. That changed on Jan.

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Penetration Testing

FEBRUARY 15, 2024

Recently, the Internet Systems Consortium (ISC) sounded the alarm with a crucial security update for BIND 9 DNS servers.

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Security Boulevard

DECEMBER 14, 2023

Welcome to the digital age, where the internet is as essential as the air we breathe. It's called the Domain Name System (DNS), akin to a phonebook for the internet, translating website names into addresses that computers understand.

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Bleeping Computer

APRIL 23, 2023

A new enterprise-targeting malware toolkit called 'Decoy Dog' has been discovered after inspecting anomalous DNS traffic that is distinctive from regular internet activity. [.]

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Heimadal Security

JANUARY 20, 2023

The Domain Name System, and the DNS zones that it is composed of, are not as simple as ”the internet`s phonebook” largely used definition for DNS suggests it would be.

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CSO Magazine

APRIL 13, 2023

Domain name system (DNS) tunneling is a pervasive threat that enables hackers to get any data in and out of a company's internal network while bypassing most firewalls. But DNS tunneling essentially smuggles hostile traffic through DNS ports, which makes these attacks difficult to detect and mitigate.

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DNS Risk Firewall Internet 83

Security Boulevard

SEPTEMBER 15, 2022

Many Canadians found themselves disconnected when cellular networks and the internet failed to respond—at home or at work. The post Why You Need a Secondary DNS appeared first on Security Boulevard. Last month, a large Canadian telecommunications provider suffered a catastrophic outage for more than 18 hours.

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Heimadal Security

FEBRUARY 4, 2022

DNS allows computer networks to associate numerous pieces of information with each web domain. To put it another way, all Domain Name Servers serve as the core internet address book. That’s why the DNS system converts each domain name […]. That’s why the DNS system converts each domain name […].

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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

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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.

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

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DNS Encryption Internet Internet 113

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).

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DNS Software Internet Internet 102

Krebs on Security

MARCH 11, 2022

As their cities suffered more intense bombardment by Russian military forces this week, Ukrainian Internet users came under renewed cyberattacks, with one Internet company providing service there saying they blocked ten times the normal number of phishing and malware attacks targeting Ukrainians.

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Heimadal Security

JULY 28, 2023

Picture this scenario: you’re browsing the internet, going about your business, when suddenly a malicious website pops up out of nowhere. Enter […] The post DNS Protection: A Must-Have Defense Against Cyber Attacks appeared first on Heimdal Security Blog.

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CSO Magazine

APRIL 19, 2023

The Domain Name System (DNS) is often referred to as the phone book of the internet. DNS translates web addresses, which people use, into IP addresses, which machines use. But DNS was not designed with security in mind. This has only worsened with the adoption of encrypted DNS, known as DNS-over-HTTPS (DoH).

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DNS Encryption Internet Internet 70

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. Today, less than 20% of DNS traffic is secured by DNSSEC, and only three percent of Fortune 1,000 companies have implemented it.

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DNS Government Internet Internet 141

Security Affairs

JUNE 26, 2023

The Internet Systems Consortium (ISC) addressed three denial-of-service (DoS) vulnerabilities in the DNS software suite BIND. The Internet Systems Consortium (ISC) released security updates to address three denial-of-service (DoS) vulnerabilities in the DNS software suite BIND.

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Internet Internet DNS Software 96

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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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 […].

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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

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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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

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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Internet Internet Technology DNS 115

Bleeping Computer

JUNE 29, 2021

Microsoft has added a privacy feature to Windows 11 called DNS-over-HTTPS, allowing users to perform encrypted DNS lookups to bypass censorship and Internet activity. [.].

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DNS Encryption Internet Internet 107

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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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

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 101

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 61

Security Affairs

JANUARY 28, 2023

BIND is a suite of software for interacting with the Domain Name System (DNS) maintained by the Internet Systems Consortium (ISC). The ISC released security patches to address multiple high-severity denial-of-service DoS vulnerabilities in the DNS software suite. Then ‘named’ may exit due to a lack of free memory.

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DNS Software Internet Internet 97

Krebs on Security

SEPTEMBER 16, 2021

man charged in 2018 with operating two online services that allowed paying customers to launch powerful distributed denial-of-service (DDoS) attacks against Internet users and websites. In such assaults, the perpetrators leverage unmanaged Domain Name Servers (DNS) or other devices on the Web to create huge traffic floods.

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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. Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini.

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The Hacker News

MAY 7, 2021

Security researchers Thursday disclosed a new critical vulnerability affecting Domain Name System (DNS) resolvers that could be exploited by adversaries to carry out reflection-based denial-of-service attacks against authoritative nameservers. nl' and '.

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