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. 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.

DNS 88

DNS Cyber Attacks Cyber threats Internet 88

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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DNS Internet Internet Phishing 273

Cisco Security

MARCH 11, 2021

Reading up on these trends can inform you as to what types of attacks are currently active. 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.

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DNS Phishing Ransomware Internet 143

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

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 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

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 94

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 102

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 96

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 125

The Last Watchdog

MAY 13, 2024

Enhanced threat blocking Quad9 is a free anycast DNS platform delivering robust security protections and privacy guarantees that comply with rigorous Swiss Data Protection and GDPR rules. Quad9 is operated as a non-profit by the Quad9 Foundation in Switzerland for the purpose of improving the privacy and cybersecurity of Internet users.

DNS 130

DNS Cyber threats Engineering Spyware 130

Cisco Security

MARCH 11, 2021

Reading up on these trends can inform you as to what types of attacks are currently active. 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.

DNS 65

DNS Phishing Ransomware Internet 65

Security Affairs

SEPTEMBER 23, 2020

Qurium analyzes the blocking implemented by four different operators in Belarus Belarus operators use their own infrastructure to implement the blocking Block techniques include transparent web proxies, injection of HTTP responses, stateless and stateful SSL DPI and fake DNS responses. Qurium forensics report: Internet blocking in Belarus.

Internet 120

Internet Internet DNS Advertising 120

Security Affairs

FEBRUARY 12, 2024

Public Wi-Fi users are prime targets for MITM attacks because the information they send is often not encrypted, meaning it’s easy for hackers to access your data. Hackers use intercepted data to hijack your current session on a website, giving them access to your private accounts and information.

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DNS VPN Encryption Passwords 124

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

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 86

PerezBox Security

OCTOBER 7, 2019

DNS is the internets lookup table, it builds a bridge between the domain name (e.g., The post Leveraging DNS to Enhance Your Networks Security appeared first on PerezBox. perezbox.com) and the IP address (e.g., 184.24.56.17). The IP address being where you can find.

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DNS Network Security Internet Internet 68

Security Affairs

MAY 1, 2024

Researchers at Lumen’s Black Lotus Labs discovered a new malware family, named Cuttlefish, which targets enterprise-grade and small office/home office (SOHO) routers to harvest public cloud authentication data from internet traffic. The malicious code can also perform DNS and HTTP hijacking within private IP spaces.

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Malware DNS Authentication Telecommunications 102

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 80

The Last Watchdog

JUNE 1, 2021

Primarily the Pharming attack is planned to gain sensitive data like login credentials, personally identifiable information (PII), social security numbers, bank details, and more. The Pharming attacks are carried out by modifying the settings on the victim’s system or compromising the DNS server. DNS Poisoning.

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DNS Phishing Social Engineering Cyber Attacks 214

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. It’s an attacker’s dream, troublesome attribution and an endless number of names to use for malicious campaigns.”

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DNS Internet Internet Computers and Electronics 235

SecureList

DECEMBER 18, 2020

For instance, before making the first internet connection to its C2s, the Sunburst malware lies dormant for a long period, of up to two weeks, which prevents an easy detection of this behavior in sandboxes. In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. avsvmcloud[.]com”

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DNS Telecommunications Malware Encryption 75

Security Affairs

DECEMBER 24, 2019

Russia successfully disconnected from the internet. Russia’s government announced that it has successfully concluded a series of tests for its RuNet intranet aimed at country disconnection from the Internet. One of them is checking the integrity and security of the Internet as a result of external negative influences.”

Internet 77

Internet Internet DNS Surveillance 77

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 239

McAfee

FEBRUARY 17, 2021

Use of “domain age” is a feature being promoted by various firewall and web security vendors as a method to protect users and systems from accessing malicious internet destinations. The sites and domains of the internet are constantly changing and evolving. The concept is to use domain age as a generic traffic filtering parameter.

Internet 65

Internet Internet DNS Risk 65

Security Affairs

AUGUST 10, 2020

An attacker could use $300 worth of off-the-shelf equipment to eavesdrop and intercept signals from satellite internet communications. The academic researcher James Pavur, speaking at Black Hat 2020 hacking conference , explained that satellite internet communications are susceptible to eavesdropping and signal interception.

Internet 93

Internet Internet Advertising Encryption 93

Security Affairs

SEPTEMBER 4, 2019

Experts at SEC Consult discovered several security issues in various Zyxel devices that allow to hack them via unauthenticated DNS requests. The first issue is an information disclosure flaw via unauthenticated external DNS requests that affect Zyxel devices from the USG, UAG, ATP, VPN and NXC series. Pierluigi Paganini.

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DNS Hacking Firmware Wireless 77

CyberSecurity Insiders

APRIL 12, 2023

AT&T does not adopt or endorse any of the views, positions, or information provided by the author in this article. E-mail, also referred to as electronic mail, is an internet service which allows people and digital services to transmit messages(letters) in electronic form across Internet. What is an e-mail?

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DNS Authentication Internet Internet 107

Krebs on Security

MARCH 9, 2023

While the defendant in this case hasn’t yet been named publicly, the NetWire website has been leaking information about the likely true identity and location of its owner for the past 11 years. In October 2012, the WorldWiredLabs domain moved to another dedicated server at the Internet address 198.91.90.7, org and wwlabshosting[.]com

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DNS Cybercrime Passwords Accountability 248

Malwarebytes

MAY 4, 2022

Researchers have found a vulnerability in a popular C standard library in IoT products that could allow attackers to perform DNS poisoning attacks against a target device. Similar to other C standard libraries, uClibc provides an extensive DNS client interface that allows programs to readily perform lookups and other DNS-related requests.

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IoT DNS Risk Internet 117

Krebs on Security

OCTOBER 11, 2022

Microsoft says that to exploit this vulnerability an attacker would need to know the randomly generated DNS endpoint for an Azure Arc-enabled Kubernetes cluster. Security firm Rapid7 said that as of early September 2022 the company observed more than 190,000 potentially vulnerable instances of Exchange Server exposed to the Internet.

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DNS Internet Internet Cyber threats 273

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 287

Security Affairs

AUGUST 10, 2020

Our findings show that both Telenor and MPT block websites using DNS tampering. MPT is ignoring the DNS requests to the blocked domains, while Telenor is redirecting them to an IP address outside of the country. Adding this information to the block page would increase the transparency and trustworthiness of Telenor Myanmar.

Internet 74

Internet Internet Telecommunications DNS 74

Security Affairs

FEBRUARY 16, 2019

Russia plans to disconnect the country from the internet as part of an experiment aimed at testing the response to cyber attacks that should isolate it. Russia plans to conduct the country from the Internet for a limited period of time to conduct a test aimed at assessing the security of its infrastructure. ” reported ZDNet.

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Internet Internet DNS Cyber Attacks 87

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. If you need additional information please visit the Google Domains help center. You can find additional information on the Google Domains site.

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DNS Accountability Authentication Internet 101

Krebs on Security

OCTOBER 4, 2021

We don’t yet know why this happened, but the how is clear: Earlier this morning, something inside Facebook caused the company to revoke key digital records that tell computers and other Internet-enabled devices how to find these destinations online. Kentik’s view of the Facebook, Instagram and WhatsApp outage. Update, 6:16 p.m.

Internet 360

Internet Internet DNS Marketing 360