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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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. in the DNS cache for more efficient delivery of information to users.

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DNS DDOS Encryption Authentication 110

Security Affairs

FEBRUARY 19, 2025

The second vulnerability, tracked CVE-2025-26466 (CVSS score: 5.9), affects both the OpenSSH client and server, allowing a pre-authentication denial-of-service attack. ” The OpenSSH client and server are vulnerable (CVE-2025-26466) to a pre-authentication denial-of-service (DoS) attack.

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Authentication System Administration DNS Hacking 122

Krebs on Security

FEBRUARY 4, 2019

Godaddy.com , the world’s largest domain name registrar, recently addressed an authentication weakness that cybercriminals were using to blast out spam through legitimate, dormant domains. The domains documented by MyOnlineSecurity all had their DNS records altered between Jan. 31 and Feb. 22 report on the GoDaddy weakness.

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DNS Ransomware Accountability Internet 268

Krebs on Security

JANUARY 22, 2019

Your Web browser knows how to find a Web site name 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 Web site names (example.com) into numeric Internet address that are easier for computers to manage. ” SAY WHAT? 13, 2018 bomb threat hoax.

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DNS Internet Internet Computers and Electronics 267

Security Affairs

DECEMBER 10, 2018

The Linux.org website was defaced last week via DNS hijack, attackers breached into associated registrar account and changed the DNS settings. “This evening someone got into my partner’s netsol account and pointed linux.org DNS to their own cloudflare account. DNS was simply pointing to another box.”

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DNS Accountability Advertising Authentication 112

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. “GSS-TSIG is an extension to the TSIG protocol which is intended to support the secure exchange of keys for use in verifying the authenticity of communications between parties on a network.”

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Dark Reading

NOVEMBER 19, 2020

Verisign's R&D team has developed new ways to authenticate and optimize DNS traffic on the client side of the domain-name resolution process.

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DNS Authentication 107

Security Affairs

JULY 14, 2019

The UK’s National Cyber Security Centre (NCSC) issued a security advisory to warn organizations of DNS hijacking attacks and provided recommendations this type of attack. In response to the numerous DNS hijacking attacks the UK’s National Cyber Security Centre (NCSC) issued an alert to warn organizations of this type of attack.

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DNS Social Engineering Accountability Advertising 108

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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DNS Social Engineering Engineering Accountability 311

Security Affairs

JANUARY 23, 2019

DHS has issued a notice of a CISA emergency directive urging federal agencies of improving the security of government-managed domains (i.e.gov) to prevent DNS hijacking attacks. The notice was issued by the DHS and links the emergency directive Emergency Directive 19-01 titled “Mitigate DNS Infrastructure Tampering.”.

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DNS Government Advertising Telecommunications 111

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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Phishing DNS Social Engineering Accountability 323

Security Affairs

JANUARY 16, 2025

Researchers discovered a 13,000-device MikroTik botnet exploiting DNS flaws to spoof 20,000 domains and deliver malware. Infoblox researchers discovered a botnet of 13,000 MikroTik devices that exploits DNS misconfigurations to bypass email protections, spoof approximately 20,000 domains, and deliver malware.

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DNS Malware Firmware Authentication 97

The Last Watchdog

MARCH 28, 2019

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. DNS resolvers were the early building blocks of the internet: they resolved a domain names, such as spamhaus.org, to a specific IP address. A10 Networks’ report found 6.3

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DDOS IoT DNS Internet 263

SecureWorld News

JANUARY 22, 2025

Multi-factor authentication (MFA) : Enforce robust MFA protocols to add an extra layer of security. Integrating browser security solutions with DNS security measures creates a more comprehensive defense strategy capable of addressing both known and emerging AI-driven threats.

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Phishing Threat Detection Social Engineering DNS 110

Krebs on Security

AUGUST 23, 2024

The proliferation of new top-level domains (TLDs) has exacerbated a well-known security weakness: Many organizations set up their internal Microsoft authentication systems years ago using domain names in TLDs that didn’t exist at the time. ” Caturegli said setting up an email server record for memrtcc.ad

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DNS Internet Internet Authentication 322

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

The Last Watchdog

SEPTEMBER 23, 2024

(“TA”), today announced it has completed its acquisition of Vercara, a leader in cloud-based services that secure the online experience, including managed authoritative Domain Name System (DNS) and Distributed Denial-of-Service (DDoS) security offerings that protect organizations’ networks and applications.

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DNS DDOS Technology Software 100

Troy Hunt

JULY 19, 2018

So let's talk about what's changed and indeed what's in the future: a few weeks back I announced that Firefox and 1Password were integrating HIBP searches into their products and the way I built that was with an authenticated Azure Function. Onto the next piece and per the title, it's going to involve DNS rollover. it broke.

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DNS Passwords Firewall Authentication 135

Duo's Security Blog

MARCH 2, 2022

Multi-factor authentication is one of the best ways to thwart bad actors using stolen credentials — but it’s not foolproof. The attacker is sending a user through a proxy and retrieving credentials and/or session tokens by manipulating the end user into thinking they are authenticating into a legitimate resource or application.

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Authentication Phishing DNS Passwords 106

Security Affairs

AUGUST 12, 2018

Crooks are targeting DLink DSL modem routers in Brazil to redirect users to fake bank websites by carrying out DNS hijacking. Crooks are targeting DLink DSL modem routers in Brazil to redirect users to fake bank websites by changing the DNS settings. D-Link DSL-2740R / Unauthenticated Remote DNS Change Exploit [link].

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DNS Banking Advertising Mobile 74

Krebs on Security

FEBRUARY 9, 2021

A key concern for enterprises is another critical bug in the DNS server on Windows Server 2008 through 2019 versions that could be used to remotely install software of the attacker’s choice. CVE-2021-24078 earned a CVSS Score of 9.8, which is about as dangerous as they come.

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DNS Backups Software Phishing 339

Security Affairs

APRIL 11, 2024

The flaw affects D-Link DNS-320L, DNS-325, DNS-327L, and DNS-340L, these devices contain a hard-coded credential that allows an attacker to conduct authenticated command injection, leading to remote, unauthorized code execution.

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DNS Authentication Hacking Cybersecurity 131

Cisco Security

JULY 9, 2021

Cisco Duo – Multi-factor authentication from Duo protects the network by using a second source of validation and authentication. It enforces security at the DNS layer to block malware, phishing, and command and control callbacks over any port. Load balance RAVPN sessions to multiple firewalls using OCI DNS service.

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Firewall Architecture DNS VPN 138

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.) The problem?

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DNS VPN Advertising Encryption 141

Krebs on Security

FEBRUARY 26, 2023

The hackers were able to change the Domain Name System (DNS) records for the transaction brokering site escrow.com so that it pointed to an address in Malaysia that was host to just a few other domains, including the then brand-new phishing domain servicenow-godaddy[.]com. The key works without the need for any special software drivers.

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Hacking Social Engineering Phishing Scams 324

Security Affairs

AUGUST 21, 2018

Cybersecurity firm NCC Group has released an open source tool for penetration testers that allows carrying out DNS rebinding attacks. Security firm NCC Group has released an open source tool for penetration testing dubbed Singularity of Origin that allows carrying out DNS rebinding attacks. Pierluigi Paganini.

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DNS Penetration Testing Advertising Authentication 75

Security Boulevard

APRIL 26, 2024

Reading Time: 8 min Fixing SPF Permerror: Resolving authentication hiccups to enhance email deliverability and limiting too many DNS lookups The post Fix SPF Permerror: Overcome SPF Too Many DNS Lookups Limit appeared first on Security Boulevard.

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DNS Authentication Cybersecurity 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 300

Cisco Security

NOVEMBER 2, 2021

adds support for SAML authentication for a single and multi-region deployment. adds support for geolocation and latency-based DNS redirection. Geolocation-based DNS redirection : Figure 1 shows geolocation-based load balancing. Geolocation DNS provides three levels of geographic granularity: continent, country, and state.

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Firewall DNS Architecture Authentication 141

Security Affairs

MAY 1, 2024

A new malware named Cuttlefish targets enterprise-grade and small office/home office (SOHO) routers to harvest public cloud authentication data. Cuttlefish has a modular structure, it was designed to primarily steal authentication data from web requests passing through the router from the local area network (LAN).

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Malware DNS Authentication Telecommunications 130

Schneier on Security

MAY 1, 2018

QuickDDNS is a Dynamic DNS service provider operated by Dahua. Their first two findings are that "Many IoT devices lack basic encryption and authentication" and that "User behavior can be inferred from encrypted IoT device traffic." Amcrest WiFi Security Camera. No surprises there. Boingboing post. Related: IoT Hall of Shame.

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Adam Shostack

JANUARY 2, 2025

If we consider it as part of threat modeling, does the chatbot pentulently nag you about what happened with that conversation we had about missing authentication on the calendar interface? Use strong authentication mechanisms, such as mutual TLS, to verify the identity of servers and prevent unauthorized access. Does it @ you in Jira?

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DNS Authentication Software Media 130

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. Often used to compromise executive and privileged accounts.

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DNS Phishing Social Engineering Engineering 64

Security Affairs

APRIL 10, 2024

The issues impact Microsoft Windows and Windows Components; Office and Office Components; Azure; NET Framework and Visual Studio; SQL Server; DNS Server; Windows Defender; Bitlocker; and Windows Secure Boot. Any authenticated user can exploit this vulnerability, according to Microsoft it does not require admin or other elevated privileges.

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DNS Authentication Hacking 127

Krebs on Security

JULY 15, 2024

Squarespace says domain owners and domain managers have many of the same privileges, including the ability to move a domain or manage the site’s domain name server (DNS) settings. Monahan said the migration has left domain owners with fewer options to secure and monitor their accounts.

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Accountability Cryptocurrency Passwords DNS 325

Malwarebytes

JULY 4, 2022

DNS encryption. DNS encryption plugs a gap that makes it easy to track the websites you visit. The domain name system (DNS) is a distributed address book that lists domain names and their corresponding IP addresses. Passwordless authentication. FIDO2 is a specification that uses public key encryption for authentication.

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Internet Internet Technology DNS 124