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 120

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 90

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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DDOS DNS Internet Internet 147

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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Internet Internet DNS Security Awareness 104

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 82

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 85

Internet Internet DNS Surveillance 85

Security Boulevard

MAY 8, 2024

The US Government issued an executive order which included zero trust models, and zero trust is gaining ground internationally as well, from the Middle East and Europe to Asia and Australia. CISA and the NSA call this Protective DNS and recommend it as part of the Shields Up initiative. That’s the role of Protective DNS.

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DNS Cyber Insurance Internet Internet 64

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

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 233

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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Government DNS Advertising Media 95

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 84

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.

DNS 179

DNS Computers and Electronics Government Internet 179

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 285

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.

Internet 91

Internet Internet DNS Cyber Attacks 91

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.

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Internet Internet Telecommunications DNS 78

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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DNS Cybersecurity Internet Internet 113

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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Media Accountability Telecommunications Government 117

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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DNS Cybersecurity CISO Social Engineering 140

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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IoT DNS Internet Internet 68

The Security Ledger

DECEMBER 29, 2021

Mark talks about how the Internet community can come together ahead of the next vulnerability to make sure the. Mark talks about how the Internet community can come together ahead of the next vulnerability to make sure the mistakes that are evident in the response to Log4j aren’t repeated. . Read the whole entry. »

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DNS Internet Internet Cyber Attacks 98

Security Boulevard

JUNE 22, 2023

Securing SMB Success: The Indispensable Role of Protective DNS Cyber attacks pose as much risk to small and medium-sized businesses (SMBs) as they do to large organizations — if not more. Implementing a Domain Name Service (DNS) security solution is the most efficient way to protect your business against a wide variety of attacks.

DNS 59

DNS Small Business Cyber Attacks Antivirus 59

Malwarebytes

APRIL 25, 2023

From there, further research identified a DNS signature not related to Pupy components. Infoblox claims that this unique DNS signature for Decoy Dog “ matches less than 0.0000027% of the 370 million active domains on the internet ” Pupy itself has been seen in numerous nation state attacks and other serious compromises.

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DNS Mobile Malware Internet 65

eSecurity Planet

AUGUST 8, 2022

email domain providers and many corporate and government entities. The signature-based email authentication technique called DKIM merges the specifications for domain keys and identified-internet-mail specifications. Domains receiving emails can compare the envelope of the email and compare against DNS records. What is DKIM?

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DNS Phishing Authentication Marketing 117

Krebs on Security

JANUARY 8, 2024

For example, in 2010 Spamdot and its spam affiliate program Spamit were hacked, and its user database shows Sal and Icamis often accessed the forum from the same Internet address — usually from Cherepovets , an industrial town situated approximately 230 miles north of Moscow. I can not provide DNS for u, only domains.

Cybercrime 206

Cybercrime Banking Computers and Electronics DDOS 206

Security Affairs

NOVEMBER 3, 2019

This week a controversial law entered into effect in Russia, it would allow the government to cut internet traffic from the global Internet. This week a controversial law entered into effect in Russia, it would allow the Russian government to disconnect the country from the global Internet.

Internet 49

Internet Internet DNS Government 49

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 300

Security Affairs

NOVEMBER 9, 2020

The group already targeted in the past the Kuwait government, he also carried out attacks against shipping and transportation organizations. “The Snugy backdoor uses a DNS tunneling channel to run commands on the compromised server. <C2 domain>.

DNS 116

DNS Accountability Government Cyber Attacks 116

Security Affairs

OCTOBER 29, 2020

The government agencies receive information about imminent attacks, threat actors are using the TrickBot botnet to deliver the infamous ransomware to the infected systems. In early 2019, researchers spotted a new TrickBot backdoor framework dubbed Anchor that was using the anchor_dns tool for abusing the DNS protocol for C2 communications.

Healthcare 144

Healthcare Ransomware Cybercrime Advertising 144

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?

DNS 276

DNS Wireless Risk Banking 276

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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DDOS IoT Digital transformation Internet 255

Security Affairs

MARCH 20, 2020

The APT28 group (aka Fancy Bear , Pawn Storm , Sofacy Group , Sednit , and STRONTIUM ) has been active since at least 2007 and it has targeted governments, militaries, and security organizations worldwide. The cyberespionage group continues to target members of defense companies, embassies, governments, and the military.

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Phishing Accountability Advertising DNS 140

Google Security

MAY 25, 2023

Their technical expertise guarantees they'll be able to scale to meet the needs of an increasingly encrypted Internet," says Matthew Prince, CEO, Cloudflare. ARI is an Internet Engineering Task Force (IETF) Internet Draft authored by Let’s Encrypt as an extension to the ACME protocol.

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Encryption Internet Internet DNS 90

SC Magazine

FEBRUARY 17, 2021

The non-profit Center for Internet Security is seeking to lend a hand, pledging a $1 million investment to provide any private hospital with free ransomware protection in the form of malicious domain blocking and reporting services.

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Ransomware Healthcare DNS Media 103

Malwarebytes

JULY 21, 2022

In fact, data from earlier this year suggests more cybersecurity decision-makers are focused on ensuring governance and compliance standards are met (56%) , topping the list of priority projects during the first quarter of 2022. So, how do you reach the goal efficiently to optimally protect your organization against breaches?

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DNS Cyber Insurance Insurance Threat Detection 72

eSecurity Planet

JUNE 1, 2023

email domain providers and many corporate and government entities. The standard enables email security solutions and internet service providers (ISPs) to filter in “good” emails and improve their ability to filter out “bad” emails. government as part of the Department of Homeland Security (DHS) 18-01 binding operational directive.

Technology 95

Technology Authentication DNS Phishing 95

Malwarebytes

FEBRUARY 10, 2023

This type of attack has been popularized by numerous hacker groups, and has been used in state-sponsored attacks conducted by governments. It also plans to continue working with the US Department of Health and Human Services (HHS) to communicate with hospitals about government assistance and third-party services.

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DDOS Healthcare Computers and Electronics Government 81