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. internet service providers in recent months as part of a cyber espionage campaign code-named Salt Typhoon. Wall Street Journal reported.

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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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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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Security Affairs

FEBRUARY 24, 2019

Large-scale attacks are threatening the global Internet infrastructure, the alarm was launched by the Internet Corporation for Assigned Names and Numbers (ICANN). After an emergency meeting, the Internet Corporation for Assigned Names and Numbers (ICANN) confirmed that the global Internet infrastructure is facing large-scale attacks.

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Krebs on Security

DECEMBER 20, 2018

” For one thing, the booter services targeted in this takedown advertised the ability to “resolve” or determine the true Internet address of a target. Some resolvers also allowed customers to determine the Internet address of a target using nothing more than the target’s Skype username. Attorney Schroeder said.

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DNS Computers and Electronics Government Internet 228

Troy Hunt

SEPTEMBER 17, 2020

I want a "secure by default" internet with all the things encrypted all the time such that people can move freely between networks without ever needing to care about who manages them or what they're doing with them. So what about DNS over HTTPS, or DoH ?

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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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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.

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Internet Internet DNS Advertising 131

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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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

SEPTEMBER 26, 2024

internet service providers (ISPs) as part of a cyber espionage campaign code-named Salt Typhoon. internet service providers in recent months as part of a cyber espionage campaign code-named Salt Typhoon. “Hackers linked to the Chinese government have broken into a handful of U.S. ” Wall Street Journal reported.

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Internet Internet DNS Telecommunications 128

Security Boulevard

JANUARY 31, 2024

It was DNS. It’s always DNS: Government ministry denies hackers hacked its network infrastructure. The post Russian Internet Outage: DNSSEC Oops or Ukraine Hack? appeared first on Security Boulevard.

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Internet Internet Hacking DNS 89

Krebs on Security

AUGUST 23, 2024

At issue is a well-known security and privacy threat called “ namespace collision ,” a situation where domain names intended to be used exclusively on an internal company network end up overlapping with domains that can resolve normally on the open Internet. SSL/TLS certs). that have such misconfigured assets.” Image: Defcon.org.

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Security Affairs

MARCH 4, 2020

The NetBlocks internet observatory, which tracks disruptions and shutdowns, revealed that Iran has blocked access to the Farsi (Persian) language edition of the Wikipedia online encyclopedia since March 2nd, 2020. The restrictions were implemented for some 24 hours and the government removed them in the afternoon of March 3rd, 2010.

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Krebs on Security

JUNE 14, 2022

A 33-year-old Illinois man was sentenced to two years in prison today following his conviction last year for operating services that allowed paying customers to launch powerful distributed denial-of-service (DDoS) attacks against hundreds of thousands of Internet users and websites. The user interface for Downthem[.]org. Matthew Gatrel of St.

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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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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 Insiders

JANUARY 26, 2022

As internet access and media publishing are strictly monitored by the government agencies, it seems to be unclear the impact of the digital damage. The post DDoS Cyber Attack downs internet in North Korea appeared first on Cybersecurity Insiders.

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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.”

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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 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. This post aims to explore how and why - and doesn't leave out the limitations of encrypted DNS.

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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 111

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. Setting up internet connection The malware then connects to the initial C2 server, which is a GitHub page located at [link].

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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. The mail account hostmaster@urlblocked.pw, published as contact details in DNS, bounces all incoming mails.

Internet 111

Internet Internet Telecommunications DNS 111

Krebs on Security

JULY 18, 2022

For the past seven years, an online service known as 911 has sold access to hundreds of thousands of Microsoft Windows computers daily, allowing customers to route their Internet traffic through PCs in virtually any country or city around the globe — but predominantly in the United States. THE INTERNET NEVER FORGETS.

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VPN Computers and Electronics Antivirus Software 351

Troy Hunt

JULY 12, 2018

Even the government has been pushing to drive adoption of HTTPS for all sites, for example in this post by the National Cyber Security Centre in the UK : all websites should use HTTPS, even if they don't include private content, sign-in pages, or credit card details. DNS Hijacking. Is it needed? Does it do any good?

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DNS Wireless Risk Banking 279

The Last Watchdog

AUGUST 27, 2018

Distributed denial of service (DDoS) attacks continue to erupt all across the Internet showing not the faintest hint of leveling off, much less declining, any time soon. Related video: How DDoS attacks leverage the Internet’s DNA. This is borne out by Akamai Technologies’ Summer 2018 Internet Security/Web Attack Report.

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Security Boulevard

MARCH 18, 2025

Cyber threats are growing in sophistication, and adversaries are continually evolving their methods, targeting businesses, governments, and individuals with precision. This includes: Passive DNS Data : Historical records of DNS queries, enabling investigators to trace domains used in past attacks.

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DNS Cyber threats Malware Internet 59

Security Boulevard

MARCH 20, 2023

The future of internet connectivity could diverge into two very different outcomes—aggressive monopolization by a few providers or a more diverse landscape that fosters innovation. The post DNSSEC is the Key to a Healthy Future for the Internet appeared first on Security Boulevard. And one key to making this.

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Security Boulevard

JULY 9, 2024

Operational resiliency necessitates intelligence, visibility, and confidence: the three foundational pillars of protective DNS (PDNS). This makes malware command-and-control, phishing attacks, DNS tunneling and a number of other attacks significantly less effective. But Wait, What Is Protective DNS?

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DNS Cyber threats Cyber Attacks Phishing 64

CyberSecurity Insiders

MAY 18, 2022

In 2020, the SolarWinds supply chain attack opened backdoors into thousands of organizations (including government agencies) that used its services, while late last year, the far-reaching Log4J exploit exploded onto the scene. So why aren’t more organizations taking advantage of protective DNS? The issue likely comes down to awareness.

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Krebs on Security

SEPTEMBER 25, 2024

It is unclear whether the Dimitruks were robbed by people working for the Jalisco cartel, but it is clear that whoever is responsible for managing many of the above-mentioned domains — including the DNS provider datasur[.]host Constella found that someone using the email address exposed in the DNS records for datasur[.]host

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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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Dark Reading

SEPTEMBER 2, 2020

The US Department of Homeland Security teams up with Akamai and the Center for Internet Security to provide state and local governments with cybersecurity through DNS for free.

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Security Affairs

JANUARY 7, 2024

Between 2017 and 2019, the APT group mainly used DNS hijacking in its campaigns. The group targets government entities, Kurdish (political) groups like PKK, telecommunication, ISPs, IT-service providers (including security companies), NGO, and Media & Entertainment sectors; Over the years, the group enhanced its evasion capabilities. .

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Malwarebytes

APRIL 13, 2021

A set of vulnerabilities has been found in the way a number of popular TCP/IP stacks handle DNS requests. Yes, the researchers found 9 DNS-related vulnerabilities that have the potential to allow attackers to take targeted devices offline or to gain control over them. Basically, you could say DNS is the phonebook of the internet.

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Malwarebytes

DECEMBER 1, 2023

For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name. As I explained in the blog DNS hijacks: what to look for , DNS is the phonebook of the internet to the effect that the input is a name and the output is a number.

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DNS Internet Internet Encryption 101