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.

DNS 313

DNS Social Engineering Engineering Accountability 313

Security Affairs

SEPTEMBER 23, 2020

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. They still remain blocked.

Internet 130

Internet Internet DNS Advertising 130

SecureList

FEBRUARY 16, 2021

In Q4 2020, Citrix ADC (application delivery controller) devices became one such tool, when perpetrators abused their DTLS interface. The DTLS (Datagram Transport Layer Security) protocol is used to establish secure connections over UDP, through which most DNS queries, as well as audio and video traffic, are sent.

DDOS 145

DDOS Cryptocurrency Marketing Internet 145

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. internet-service providers in recent months in pursuit of sensitive information, according to people familiar with the matter.”

Internet 128

Internet Internet DNS Telecommunications 128

Krebs on Security

FEBRUARY 26, 2023

But we do know the March 2020 attack was precipitated by a spear-phishing attack against a GoDaddy employee. GoDaddy described the incident at the time in general terms as a social engineering attack, but one of its customers affected by that March 2020 breach actually spoke to one of the hackers involved.

Hacking 325

Hacking Social Engineering Phishing Scams 325

Krebs on Security

MARCH 9, 2023

The site’s true WHOIS registration records have always been hidden by privacy protection services, but there are plenty of clues in historical Domain Name System (DNS) records for WorldWiredLabs that point in the same direction. A review of DNS records for both printschoolmedia[.]org DNS records for worldwiredlabs[.]com

DNS 308

DNS Cybercrime Passwords Accountability 308

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). ” Caturegli said setting up an email server record for memrtcc.ad

DNS 324

DNS Internet Internet Authentication 324

Security Affairs

JULY 15, 2020

Microsoft July 2020 addressed 123 security flaws across 13 products, including a 17-year-old wormable issue for hijacking Microsoft Windows Server dubbed SigRed. Microsoft July 2020 addressed 123 security vulnerabilities impacting 13 products, none of them has been observed being exploited in attacks in the wild.

DNS 93

DNS Advertising Engineering Internet 93

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 132

Internet Internet Advertising Encryption 132

Security Affairs

AUGUST 10, 2020

In March 2020, The Ministry of Telecommunications (MoTC) issued a directive to all operators in Myanmar with a secret list of 230 sites to be blocked due to the nature of the content; adult content and fake news. In April 2020, Telenor complied with the directive and blocked ALL sites on the block list. Original post at: [link].

Internet 111

Internet Internet Telecommunications DNS 111

Troy Hunt

OCTOBER 28, 2020

The victim, through no fault of their own, has been the target of numerous angry tweets designed to ridicule their role in internet security and suggest they are incapable of performing their duty. — NordVPN (@NordVPN) October 23, 2020 Ah, tricky! Been a lot of "victim blaming" going on these last few days. — Bartek ?wierczy?ski

Phishing 363

Phishing Password Management Passwords Internet 363

Krebs on Security

MARCH 28, 2021

The group looks for attacks on Exchange systems using a combination of active Internet scans and “honeypots” — systems left vulnerable to attack so that defenders can study what attackers are doing to the devices and how. I’d been doxed via DNS. ” What was the subdomain I X’d out of his message?

Hacking 363

Hacking Cybercrime DNS Internet 363

Security Affairs

JUNE 22, 2021

DirtyMoe is a Windows botnet that is rapidly growing, it passed from 10,000 infected systems in 2020 to more than 100,000 in the first half of 2021. The module that implements the warm capabilities was spotted scanning the internet and performing password brute-force attacks against Windows systems with SMB port open online.

DNS 145

DNS Internet Internet Malware 145

Cisco Security

MARCH 11, 2021

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. Organizations and malicious DNS activity. Overview of analysis. Cryptomining.

DNS 85

DNS Phishing Ransomware Internet 85

Krebs on Security

NOVEMBER 21, 2020

2019 that wasn’t discovered until April 2020. “This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts. . “This gave the actor the ability to change DNS records and in turn, take control of a number of internal email accounts.

Cryptocurrency 363

Cryptocurrency VPN Scams Social Engineering 363

Krebs on Security

APRIL 4, 2024

There is no indication these are the real names of the phishers, but the names are useful in pointing to other sites targeting Privnote since 2020. Other Privnote phishing domains that also phoned home to the same Internet address as pirwnote[.]com A search at DomainTools.com for privatenote[.]io com , privatemessage[.]net

Phishing 272

Phishing Cryptocurrency DDOS Internet 272

Security Boulevard

AUGUST 6, 2024

Threat Intelligence Report Date: August 6, 2024 Prepared by: David Brunsdon, Threat Intelligence - Security Engineer, HYAS Dynamic DNS (DDNS) is a service that automatically updates the Domain Name System (DNS) in real-time to reflect changes in the IP addresses of a domain.

DNS 69

DNS Malware Social Engineering Engineering 69

Security Affairs

NOVEMBER 15, 2021

The attack was launched by a Mirai botnet variant composed of 15,000 bots, it combined DNS amplification attacks and UDP floods. The botnet included Internet of Things (IoT) devices and GitLab instances. “This was a multi-vector attack combining DNS amplification attacks and UDP floods. Pierluigi Paganini.

DDOS 144

DDOS DNS IoT Internet 144

Webroot

MARCH 29, 2021

An endpoint DNS solution could have stopped the Trojanized Orion version by refusing to resolve the domain names of the command-and-control servers, again disrupting the infection to the point that no real damage could be done. Every employee’s home network has a different set of security protocols and internet use is unregulated.

Hacking 137

Hacking DNS Firewall Malware 137

SecureList

DECEMBER 18, 2020

On December 13, 2020 FireEye published important details of a newly discovered supply chain attack. 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. avsvmcloud[.]com”

DNS 76

DNS Telecommunications Malware Encryption 76

Security Affairs

APRIL 24, 2020

DDoS protection services provider Radware warns the Hoaxcalls Internet of Things (IoT) botnet has expanded the list of targeted devices, the experts also noticed that the operators implemented new distributed denial of service (DDoS) capabilities. The botnet was initially designed to launch DDoS attacks using UDP, DNS and HEX floods. .

DDOS 139

DDOS IoT Advertising DNS 139

Security Affairs

JANUARY 19, 2021

The botnet appeared in the threat landscape in November 2020, in some cases the attacks leveraged recently disclosed vulnerabilities to inject OS commands. CVE-2020-7961 – Java unmarshalling flaw via JSONWS in Liferay Portal (in versions prior to 7.2.1 CE GA2) (disclosed on March 20, 2020). ” continues the analysis.

DDOS 144

DDOS DNS Malware Internet 144

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.

DNS 140

DNS Cybersecurity CISO Social Engineering 140

Malwarebytes

JANUARY 21, 2021

The vulnerabilities disclosed by the JSOF team have been listed as CVE-2020-25687 , CVE-2020-25683 , CVE-2020-25682 , CVE-2020-25684 , CVE-2020-25685 , CVE-2020-25686 and CVE-2020-25681. Basically, you could say DNS is the phonebook of the internet. What is DNS cache poisoning?

DNS 71

DNS Software Internet Internet 71

Security Affairs

OCTOBER 5, 2020

Unlike other IoT DDoS botnets, Ttint implements 12 remote access functions such as Socket5 proxy for router devices, tampering with router firewall and DNS settings, executing remote custom system commands. ” When the botnet was first detected in 2019, experts noticed it was exploiting the Tenda zero-day flaw tracked as CVE-2020-10987.

IoT 145

IoT Firmware Advertising DNS 145

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. All other language editions were available in the country, except the Hebrew that was blocked in the past.

Government 132

Government Advertising DNS Media 132

Krebs on Security

JULY 3, 2023

However, searching passive DNS records at DomainTools.com for thedomainsvault[.]com SammySam_Alon registered at Houzz using an Internet address in Huntsville, Ala. In 2018, KrebsOnSecurity published How Internet Savvy are Your Leaders? Thedomainsvault[.]com 68.35.149.206).

Scams 291

Scams Business Services Accountability Marketing 291

The Last Watchdog

JULY 1, 2019

NormShield found that all of the 2020 presidential hopefuls, thus far, are making sure their campaigns are current on software patching, as well as Domain Name System (DNS) security; and several are doing much more. Our goal is to help organizations create more secure ecoystems to support a free and fair election processes.

Cyber Risk 159

Cyber Risk DNS Phishing Backups 159

Krebs on Security

FEBRUARY 24, 2023

BitSight researchers found significant overlap in the Internet addresses used by those domains and a domain called BHproxies[.]com. Before that, the resume says he was operations manager of TikTok’s Middle East and North Africa region for approximately seven months ending in April 2020. million from private investors.

Accountability 289

Accountability Advertising Marketing Malware 289

Troy Hunt

NOVEMBER 25, 2020

Back to the bit about risks impacting data collected by IoT devices and back again to CloudPets, Context Security's piece aligned with my own story about kids' CloudPets messages being left exposed to the internet. Or are they just the same old risks we've always had with data stored on the internet?

IoT 362

IoT Firmware Risk Manufacturing 362

eSecurity Planet

SEPTEMBER 3, 2022

These events can occur accidentally and even within a corporate network; however, intentional attacks on internet-facing resources are far more common. Also read: How to Secure DNS. DNS Flood: The attacking machines send spoofed DNS requests at a high packet rate to overwhelm the DNS server and shut down the domain.

DDOS 145

DDOS DNS Firewall Internet 145

SecureList

JULY 28, 2021

It is linked to a vulnerability in DNS resolvers that allows amplification attacks on authoritative DNS servers. Attacks on DNS servers are dangerous because all the resources they serve become unavailable, regardless of their size and level of DDoS protection. Comparative number of DDoS attacks, Q1 and Q2 2021, and Q2 2020.

DDOS 145

DDOS DNS IoT Marketing 145

eSecurity Planet

MARCH 12, 2025

While it doesnt have quite as many extras as NordVPN, some highlights include its reasonable pricing and features like DNS leak protection and ad blocking. VPNs are a great choice for protecting your internet browsing, but theyre just a starting point for security. 5 Features: 3.6/5 5 Usability and administration: 4.6/5 5 Pricing: 3.9/5

VPN 59

VPN Mobile DNS Password Management 59

Malwarebytes

JUNE 30, 2022

The so-called ZuoRAT campaign, which very likely started in 2020, is so sophisticated that the researchers suspect that there is a state sponsored threat actor behind it. The threat actor can then use DNS hijacking and HTTP hijacking to cause the connected devices to install other malware. DNS hijacking. SOHO routers.

Malware 106

Malware DNS Small Business Firmware 106

Malwarebytes

FEBRUARY 11, 2021

They will look for dependencies locally, on the computer where a project resides, and they will check the package manager’s public, Internet-accessible, directory. Getting the information to his own server from deep inside well-protected corporate networks posed yet another problem which was solved by using DNS exfiltration.

Hacking 134

Hacking DNS Unstructured Data Social Engineering 134

Security Affairs

DECEMBER 22, 2020

“Prevasio would like to thank Zetalytics for providing us with an updated (larger) list of passive (historic) DNS queries for the domains generated by the malware.” link] pic.twitter.com/40VfXuR6JI — RedDrip Team (@RedDrip7) December 16, 2020. NetBios HTTP Backdoor 2020-07-03 barrie.ca appsync-api.us-west-2[.]avsvmcloud[.]com.

Hacking 144

Hacking Banking Manufacturing Financial Services 144

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