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 111

Heimadal Security

JUNE 24, 2021

cloud security analysts were searching through Amazon Web Services’ Route53 Domain Name Service (DNS) when they noticed all of a sudden that its self-service domain registration system allowed them to create a new hosted zone with the same name as the authentic AWS name server it was utilizing. Earlier this year, Wiz.io

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DNS Government Authentication Cybersecurity 54

Security Affairs

APRIL 7, 2024

The flaw affects multiple D-Link NAS devices, including models DNS-340L, DNS-320L, DNS-327L, and DNS-325. This trick allows attackers to obtain bypass authentication. The flaw impacts the following devices: DNS-320L Version 1.11, Version 1.03.0904.2013, Version 1.01.0702.2013 DNS-325 Version 1.01

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Internet Internet DNS Hacking 133

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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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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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 Telecommunications Advertising 87

Google Security

MARCH 28, 2024

Tianhao Chi and Puneet Sood, Google Public DNS The Domain Name System (DNS) is a fundamental protocol used on the Internet to translate human-readable domain names (e.g., When a user enters a domain name in their browser, the DNS resolver (e.g. Google Public DNS). www.example.com) into numeric IP addresses (e.g.,

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DNS Internet Internet Encryption 85

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 69

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 77

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 Mobile Advertising 50

Approachable Cyber Threats

FEBRUARY 1, 2024

Have a valid forward and reverse DNS record for sending IPs ❯ Additionally, for bulk senders: ○ Implement both SPF and DKIM ○ Publish a valid DMARC policy ○ Support one-click unsubscribe and honor user requests within two (2) days “What does this mean for me?” To get started: ❯ Have a DMARC Policy for your DNS. Don’t send spam.

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Security Affairs

FEBRUARY 12, 2024

Avoid entering any data if you see a warning message about a site’s authenticity. DNS Spoofing DNS (Domain Name System) is like the internet’s phone book, translating domain names into IP addresses. Always verify the authenticity of Wi-Fi networks before connecting, especially in public places.

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DNS VPN Encryption Passwords 124

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

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 56

Security Boulevard

FEBRUARY 23, 2023

Thankfully, nearly all malware depends on DNS at some point in their kill chain, making the protocol a critical vector for shutting down these threats. Some of the common forms these DNS-based attacks can take include: DNS spoofing: A malicious actor alters DNS records to redirect traffic to a fake website or server.

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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 116

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 40

CyberSecurity Insiders

APRIL 12, 2023

SPF: also known as Sender Policy Framework, is a DNS record used for authentication mechanism in email addresses. SPF is a txt record configured in DNS records. This allows the receiver’s mailbox to verify that the email was sent by authenticated user/owner of the domain.

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DNS Authentication Internet Internet 107

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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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 229

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 232

CSO Magazine

NOVEMBER 15, 2022

The enterprise-class domain registrar and Domain Name System (DNS) threats mitigator found that 75% of Global 2000s have implemented fewer than half of all domain security measures with Domain-based Message Authentication, Reporting, and Conformance (DMARC) , the only domain security measure with significantly increased adoption since 2020.

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DNS Phishing Authentication Risk 77

eSecurity Planet

MAY 24, 2023

The DomainKeys Identified Mail (DKIM) email authentication standard enables email servers to check incoming emails to verify the sender and detect email message alterations. A successful DKIM check also verifies ownership of the email by matching the organization in the “from” fields of the email with the DNS associated with the organization.

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Technology DNS Encryption Authentication 92

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 101

CyberSecurity Insiders

FEBRUARY 16, 2023

Block outbound DNS Requests – Whenever a malware strikes a server, the first thing it does is to establish a connection with a command-and-control server. Thus, blocking DNS systems from receiving external queries must become a priority and done technically.

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Backups Ransomware DNS Encryption 116

Google Security

MARCH 2, 2023

Additionally, Google Domains is now making an API available to allow for DNS-01 challenges with Google Domains DNS servers to issue and renew certificates automatically. Google Domains and ACME DNS-01 ACME uses challenges to validate domain control before issuing certificates. Under section “ACME DNS API”, click “Create token”.

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DNS Accountability Authentication Internet 101

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 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

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 259

Malwarebytes

OCTOBER 4, 2023

Authentication is not required to exploit this vulnerability." The three vulnerabilities that have been fixed (CVE-2023-42114, CVE-2023-42115, and CVE-2023-42116) are all related to Secure Password Authentication (SPA)/New Technology LAN Manager (NTLM), and EXTERNAL authentication.

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DNS Authentication Accountability Passwords 96

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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DNS DDOS Firewall Architecture 112

eSecurity Planet

AUGUST 8, 2022

When organizations implement Domain-based Message Authentication, Reporting and Conformance ( DMARC ), they expect to tighten email security and protect against spoofing and other spam email attacks. DMARC provides widely established standards for email authentication and is adopted by all U.S. What is DKIM? What is SPF?

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DNS Phishing Authentication Marketing 116

Approachable Cyber Threats

FEBRUARY 1, 2024

Have a valid forward and reverse DNS record for sending IPs Additionally, for bulk senders: Implement both SPF and DKIM Publish a valid DMARC policy Support one-click unsubscribe and honor user requests within two (2) days “What does this mean for me?” to avoid ever reaching a spam rate of 0.3% Yahoo will start enforcing a 0.3%

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DNS Authentication Accountability Cybersecurity 52

eSecurity Planet

JUNE 1, 2023

The Domain-based Message Authentication, Reporting and Conformance (DMARC) standard for email authentication is adopted by all U.S. DMARC addresses weaknesses in other email authentication standards to check for misleading “From” fields in emails and to improve tracking of potential spoofing campaigns. How Does DMARC Work?

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Technology Authentication DNS Phishing 85

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. DNS spoofing or poisoning.

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DNS Penetration Testing Encryption Architecture 137

Security Affairs

MAY 11, 2023

An attacker could also use these vulnerabilities to access and control networked smart devices (security cameras, thermostats, smart locks), change router settings including credentials or DNS settings, or use a compromised network to launch attacks against other devices or networks.” ” concludes the advisory.

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Hacking Firmware Authentication DNS 96

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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