Penetration Testing

MAY 23, 2024

This innovative attack weaponizes DNS (Domain Name System) traffic to overwhelm and disrupt online services,... The post DNSBomb: New DDoS Attack Explodes DNS Traffic, Threatening Critical Internet Infrastructure appeared first on Penetration Testing.

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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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The Last Watchdog

APRIL 18, 2023

It’s the phone directory of the Internet. Related: DNS — the good, bad and ugly Without DNS the World Wide Web never would never have advanced as far and wide as it has. And this is where a fledgling best practice — referred to as “ protective DNS ” – comes into play. Domain Name Service.

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DNS Internet Internet Cybersecurity 207

Security Affairs

NOVEMBER 14, 2024

The vulnerability CVE-2024-10914 is a command injection issue that impacts D-Link DNS-320 , DNS-320LW, DNS-325 and DNS-340L up to 20241028. “This flaw allows an unauthenticated attacker to inject arbitrary shell commands through crafted HTTP GET requests, affecting over 61,000 devices on the Internet.”

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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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Krebs on Security

JULY 31, 2024

Your Web browser knows how to find a site like example.com thanks to the global Domain Name System (DNS), which serves as a kind of phone book for the Internet by translating human-friendly website names (example.com) into numeric Internet addresses. And the bulk of these are at a handful of DNS providers.”

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Schneier on Security

OCTOBER 4, 2021

Basically, someone deleted their BGP records, which made their DNS fall apart. BGP is a mechanism by which Internet service providers of the world share information about which providers are responsible for routing Internet traffic to which specific groups of Internet addresses. …at approximately 11:39 a.m.

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DNS Internet Internet Risk 72

The Hacker News

APRIL 29, 2024

A previously undocumented cyber threat dubbed Muddling Meerkat has been observed undertaking sophisticated domain name system (DNS) activities in a likely effort to evade security measures and conduct reconnaissance of networks across the world since October 2019.

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eSecurity Planet

JULY 25, 2022

The domain name system (DNS) is basically a directory of addresses for the internet. Your browser uses DNS to find the IP for a specific service. For example, when you enter esecurityplanet.com, the browser queries a DNS service to reach the matching servers, but it’s also used when you send an email.

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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. “We strongly encourage all organizations that rely on Internet Explorer and Microsoft Edge (EdgeHTML-Based) to apply these patches as soon as possible.”

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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

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 270

Krebs on Security

SEPTEMBER 18, 2024

The page listed the correct time and date of the funeral service, which it claimed could be streamed over the Internet by following a link that led to a page requesting credit card information. net for DNS. com , but historical DNS records show this website also used DNS servers from webhostbd[.]net. net DNS servers).

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Scams DNS Internet Internet 65

The Last Watchdog

MAY 29, 2024

Related: Selecting a Protective DNS One smart way to do this is by keeping an eagle eye out for rogue command and control (C2) server communications. And this beaconing must intersect with the Domain Name System (DNS.) DNS security and the overall Protective DNS space is rising in importance.

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DNS Cyber Insurance Insurance Internet 147

The Hacker News

JULY 24, 2024

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 be exploited to trigger a denial-of-service (DoS) condition. "A

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Security Affairs

JULY 26, 2024

The Internet Systems Consortium (ISC) released BIND security updates that fixed several remotely exploitable DoS bugs in the DNS software suite. The Internet Systems Consortium (ISC) released security updates for BIND that address DoS vulnerabilities that could be remotely exploited. In BIND 9 versions 9.18.1 S1 through 9.18.27-S1,

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DNS Software Internet Internet 145

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 271

Google Security

JULY 19, 2022

Posted by Matthew Maurer and Mike Yu, Android team To help keep Android users’ DNS queries private, Android supports encrypted DNS. In addition to existing support for DNS-over-TLS, Android now supports DNS-over-HTTP/3 which has a number of improvements over DNS-over-TLS. In Android 9.0,

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DNS Encryption Mobile Risk 142

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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DNS Internet Internet Cybersecurity 126

Krebs on Security

DECEMBER 19, 2024

Cyber threat analysts at Silent Push said they recently received reports from a partner organization that identified an aggressive scanning effort against their website using an Internet address previously associated with a campaign by FIN7 , a notorious Russia-based hacking group.

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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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DNS Phishing Ransomware Internet 144

eSecurity Planet

DECEMBER 8, 2023

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

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The Last Watchdog

MARCH 28, 2019

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. The Spamhaus attacker, for instance, noticed that there were literally millions of domain name system (DNS) resolvers that remained wide open all over the internet.

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Krebs on Security

MARCH 31, 2020

PT Monday evening, Escrow.com’s website looked radically different: Its homepage was replaced with a crude message in plain text: The profanity-laced message left behind by whoever briefly hijacked the DNS records for escrow.com. Running a reverse DNS lookup on this 111.90.149[.]49 Image: Escrow.com.

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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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Krebs on Security

JANUARY 24, 2020

13, 2020, which was the date the fraudsters got around to changing the domain name system (DNS) settings for e-hawk.net. That alert was triggered by systems E-HAWK had previously built in-house that continually monitor their stable of domains for any DNS changes. Dijkxhoorn said his company first learned of the domain theft on Jan.

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Adam Levin

FEBRUARY 27, 2019

The infrastructure at the core of the internet is vulnerable to attack from state-sponsored hackers, its governing body warned. . DNS is the system through which online servers are routed to more user-friendly domain names. This practice is called “DNS hijacking.”. Each time someone enters in a domain name (e.g.

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DNS Internet Internet Technology 183

Bleeping Computer

FEBRUARY 17, 2024

A serious vulnerability named KeyTrap in the Domain Name System Security Extensions (DNSSEC) feature could be exploited to deny internet access to applications for an extended period. [.]

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Internet Internet DNS 118

SecureBlitz

JUNE 19, 2024

This post will show you the best DNS, IP, and WebRTC leak test sites. DNS, IP, and WebRTC leaks happen every day when we browse the internet; because we use local ISPs, we are bound to have these leaks. Also, how to overcome the leaks.

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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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DNS Software Internet Internet 138

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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Bleeping Computer

OCTOBER 25, 2023

Microsoft is testing support for the Discovery of Network-designated Resolvers (DNR) internet standard, which enables automated client-side discovery of encrypted DNS servers on local area networks. [.]

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Security Affairs

FEBRUARY 12, 2024

ExpressVPN addressed a bug in the split tunneling feature that exposed the domains visited by the users to configured DNS servers. The expert noticed that the DNS queries were sent to the DNS server configured on the computer. Anyway, disabling the split tunneling feature will prevent the leak of the DNS requests.

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Krebs on Security

JULY 13, 2021

.” Another concerning critical vulnerability in the July batch is CVE-2021-34494 , a dangerous bug in the Windows DNS Server that earned a CVSS score (severity) of 9.8 “In a Windows Domain environment, Windows DNS Server is critical to business operations and often installed on the domain controller. .

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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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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 122

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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