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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DNS Internet Internet Phishing 317

The Hacker News

JUNE 11, 2024

Cybersecurity researchers have shed more light on a Chinese actor codenamed SecShow that has been observed conducting Domain Name System (DNS) on a global scale since at least June 2023.

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DNS Education Government Cybersecurity 139

Cisco Security

MARCH 23, 2021

This is what we covered in part one of this Threat Trends release on DNS Security, using data from Cisco Umbrella , our cloud-native security service. This time we’ll be comparing yearly totals of DNS traffic to malicious sites, by industry. As in part one, we’ll be looking at data covering the calendar year of 2020.

DNS 143

DNS Financial Services Manufacturing Healthcare 143

Adam Shostack

JANUARY 2, 2025

Thats why a group of us, led by Evan Lam and Sudheesh Singanamalla, have a new short paper* in NDSS, On the (In)Security of Government Web and Mail Infrastructure : Abstract: Government web infrastructure is a critical part of todays Internet and the functioning of society.

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Government DNS Internet Internet 130

eSecurity Planet

MAY 3, 2022

Security researchers have uncovered a critical vulnerability that could lead to DNS spoofing attacks in two popular C standard libraries that provide functions for common DNS operations. Understanding DNS Spoofing Attacks. For example, when you enter [link] the browser queries a DNS service to reach the matching servers.

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DNS Risk Firmware IoT 132

Dark Reading

JUNE 23, 2021

Researchers found a "novel" class of DNS vulnerabilities in AWS Route53 and other DNS-as-a-service offerings that leak sensitive information on corporate and government customers, with one simple registration step.

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DNS Government 92

Troy Hunt

MARCH 1, 2018

And this is precisely why I'm writing this piece - to talk about how I'm assisting the UK and Australian governments with access to data about their own domains. Amongst those verified domain searches are government departments and they too are enormously varied; local councils, legal and health services, telecoms and infrastructure etc.

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Government Data breaches Passwords Authentication 218

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

SC Magazine

MARCH 4, 2021

A PDNS service uses existing DNS protocols and architecture to analyze DNS queries and mitigate threats. A PDNS can log and save suspicious queries and provide a blocked response, delaying or preventing malicious actions – such as ransomware locking victim files – while letting organizations investigate using those logged DNS queries.

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DNS Architecture Firewall Malware 131

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 271

Security Affairs

JANUARY 10, 2019

Security expert uncovered a DNS hijacking campaign targeting organizations in various industries worldwide and suspects Iranian APT groups. According to the experts, the campaign is carried out, with “moderate confidence,” by APT groups linked to the Iranian Government. ” reads the report published by FireEye.

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DNS Telecommunications Government Encryption 109

Security Affairs

APRIL 18, 2019

Iran-linked APT group OilRig is heavily leveraging on DNS tunneling for its cyber espionage campaigns, Palo Alto Networks reveals. Security researchers at Palo Alto Networks reported that Iran-linked APT group OilRig is heavily leveraging on DNS tunneling for its cyber espionage campaigns, Palo Alto Networks reveals.

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DNS Malware Advertising Hacking 109

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 331

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

DECEMBER 20, 2018

” Another important distinction between this week’s coordinated action and past booter site takedowns was that the government actually tested each service it dismantled to validate claims about attack firepower and to learn more about how each service conducted assaults. ” DOWN THEM ALL.

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DNS Computers and Electronics Government Internet 233

Malwarebytes

MAY 10, 2022

On April 26th, we identified a suspicious email that targeted a government official from Jordan’s foreign ministry. After enabling the macro, the image is replaced with the Jordan government’s the coat of the arms: Figure 3: Excel doc after enabling the macro. Figure 1: Malicious email. Excel document. Figure 2: Excel doc.

Government 145

Government DNS Telecommunications Accountability 145

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 75

Security Boulevard

AUGUST 7, 2024

HYAS Protect protective DNS uses advanced data analytics to proactively block cyber threats, a feature unavailable in legacy systems relying on static DNS filtering. AV-TEST , one of the cybersecurity industry’s most trusted evaluators, rates HYAS as the most effective protective DNS solution on the market. What Is HYAS Protect?

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DNS Government Cyber threats IoT 64

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. DNS is the system through which online servers are routed to more user-friendly domain names.

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Troy Hunt

SEPTEMBER 17, 2020

And just in case you're wondering, the host name in the image where DNS didn't resolve is different to the final scam site as a lot of these phishes bounce you around across multiple domains. So what about DNS over HTTPS, or DoH ? With the DNS dance done, what's the impact on privacy then? And secure DNS.

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VPN Phishing DNS Encryption 363

Security Boulevard

APRIL 4, 2025

In addition to the six critical security controls, SANS also offers advice for deploying AI models, recommending that organizations do it gradually and incrementally, starting with non-critical systems; that they establish a central AI governance board; and that they draft an AI incident response plan.

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Cybersecurity DNS Government Authentication 72

Security Affairs

MARCH 4, 2020

The restrictions were implemented for some 24 hours and the government removed them in the afternoon of March 3rd, 2010. “Network data confirm that the blocks are technically consistent with known techniques used to restrict online platforms in Iran, with SNI filtering and DNS poisoning in place to prevent the website from loading.”

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Dark Reading

JANUARY 23, 2019

All government domain owners are instructed to take immediate steps to strengthen the security of their DNS servers following a successful hacking campaign.

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DNS Government Hacking 92

Threatpost

JULY 17, 2020

An emergency directive orders some federal agencies to apply Microsoft’s patch for a critical DNS vulnerability by Friday, July 17 at 2 p.m. (ET).

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DNS Government Cybersecurity 113

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

NOVEMBER 10, 2024

The US government’s Consumer Financial Protection Bureau (CFPB) advises employees to avoid using cellphones for work after China-linked APT group Salt Typhoon hackers breached major telecom providers. Hackers linked to the Chinese government have broken into a handful of U.S. The Consumer Financial Protection Bureau (CFPB) is a U.S.

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Hacking Internet Internet Government 130

Security Boulevard

JUNE 19, 2024

DNS enables the easy navigation from website to website as you currently know it. Many DNS resolvers - such as your internet service provider's (ISP) - do not encrypt queries and may log data and metadata surrounding your queries. Fortunately, using an encrypted DNS server provider can be a viable option for some users out there.

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DNS Encryption Firmware Internet 69

Threatpost

JANUARY 23, 2019

government agencies to prevent widespread DNS hijacking attacks. An emergency directive from the Department of Homeland Security provides "required actions" for U.S.

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DNS Government Hacking 79

SecureList

JULY 8, 2024

In May 2024, we discovered a new advanced persistent threat (APT) targeting Russian government entities that we dubbed CloudSorcerer. 0x3007 Clear DNS cache Clears the DNS cache. Victims Government organizations in the Russian Federation. 0x2207 Delete task Deletes any Windows task using COM object interfaces.

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Government Malware Data collection DNS 143

Krebs on Security

JUNE 14, 2022

.” In such assaults, the perpetrators leverage unmanaged Domain Name Servers (DNS) or other devices on the Web to create huge traffic floods. Ideally, DNS servers only provide services to machines within a trusted domain — such as translating an Internet address from a series of numbers into a domain name, like example.com.

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DDOS DNS Internet Internet 182

Threatpost

DECEMBER 18, 2020

Examining the backdoor's DNS communications led researchers to find a government agency and a big U.S. telco that were flagged for further exploitation in the spy campaign.

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DNS Government Malware Hacking 127

Krebs on Security

SEPTEMBER 1, 2023

government, which is frequently the target of phishing domains ending in.US. government overall, nor to the US public.” ” “We stand against DNS abuse in any form and maintain multiple systems and protocols to protect all the TLDs we operate,” the statement continued. This is noteworthy because.US

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Security Affairs

MARCH 2, 2020

At the time of the report, the threat actor carried out a cyber espionage campaign by redirecting DNS traffic from domains owned by the Lebanon government to target entities in the country. The APT group made some changes in its technique, tactics, and procedures, but the target is the same, the Lebanon Government. Conclusions.

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Government Malware Advertising DNS 111

Krebs on Security

AUGUST 23, 2024

A core part of the way these things find each other involves a Windows feature called “ DNS name devolution ,” a kind of network shorthand that makes it easier to find other computers or servers without having to specify a full, legitimate domain name for those resources. . that have such misconfigured assets.”

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Security Affairs

JANUARY 19, 2025

Stealthy Credit Card Skimmer Targets WordPress Checkout Pages via Database Injection Ransomware on ESXi: The mechanization of virtualized attacks FunkSec Alleged Top Ransomware Group Powered by AI Abusing AWS Native Services: Ransomware Encrypting S3 Buckets with SSE-C Malicious PyPI Package pycord-self Targets Discord Developers with Token Theft (..)

Malware 64

Malware Artificial Intelligence DNS Ransomware 64

Security Affairs

DECEMBER 10, 2024

Based on available Passive DNS records, Resecurity identified over 144 domain names registered by the actors in the.com,om,site,top and.icu domain zones. Once the credit card details were entered, cybercriminals used them for much higher charges at the controlled merchants registered on money mules.A

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Social Engineering Phishing Banking DNS 111

SecureList

DECEMBER 18, 2020

In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. These requests contain information about the infected computer; if the attackers deem it interesting enough, the DNS response includes a CNAME record pointing to a second level C&C server. avsvmcloud[.]com” avsvmcloud[.]com”

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DNS Telecommunications Malware Encryption 76