Heimadal Security

NOVEMBER 22, 2022

DNS scavenging is the process of removing stale DNS records, usually used together with DNS aging in order to free up space and improve system performance. In cybersecurity, in particular, DNS scavenging can help prevent DNS cache poisoning attacks and even reduce the chances of DNS servers being used in DDoS attacks.

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Security Affairs

SEPTEMBER 19, 2020

The popular encrypted email service Tutanota was hit with a series of DDoS attacks this week targeting its website fist and its DNS providers later. Encrypted email service, Tutanota suffered a series of DDoS attacks that initially targeted the website and later its DNS providers. ” continues the post.

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Malwarebytes

JUNE 1, 2022

That’s where DNS filtering comes in. But first, DNS in a nutshell. So normally, every time your customer types in your web address, their computer makes a request to a DNS server. The DNS server, in turn, tells the computer where to go. But which web-based cyberthreats in particular does DNS filtering stop, you ask?

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The Last Watchdog

MARCH 28, 2019

A couple of high-profile distributed denial-of-service (DDoS) attacks will surely go down in history as watershed events – each for different reasons. Related: IoT botnets now available for economical DDoS blasts. DDoS attacks aren’t going to go away anytime soon. His blog, Krebs on Security , was knocked down alright.

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Heimadal Security

MARCH 29, 2023

Hackers can use C&C or C2 servers to create botnets and launch DDoS attacks, steal, delete, and/or encrypt data. Techniques and DNS Security Risks appeared first on Heimdal Security Blog. Their goal is to direct infected devices into performing further malicious activities on the host or network.

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CyberSecurity Insiders

APRIL 12, 2023

StormWall , a premier cybersecurity firm specializing in the defense of websites, networks, and online services from Distributed Denial of Service (DDoS) attacks, has published an in-depth report on the DDoS landscape during the first quarter of 2023. of DDoS attacks targeting the application layer (L7), 11.7% in Q1 2022 to 6.4%

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Security Affairs

NOVEMBER 15, 2021

Cloudflare announced to have mitigated a distributed denial-of-service (DDoS) attack that peaked at almost 2 terabytes per second (Tbps). is an American web infrastructure and website security company that provides content delivery network and DDoS mitigation services. SecurityAffairs – hacking, DDoS). Cloudflare, Inc.

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Security Boulevard

NOVEMBER 4, 2021

Since the onset of the pandemic, cyberattackers have increasingly looked to leverage DNS channels to steal data, launch DDoS attacks and deploy malware—and the cost of these attacks is rising. According to IDC’s 2020 Global DNS Threat Report, the average cost of such an attack is now approaching $1 million, and impacts can range from.

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Malwarebytes

FEBRUARY 10, 2023

At the end of January, the Health Sector Cybersecurity Coordination Center warned that the KillNet group is actively targeting the US healthcare sector with distributed denial-of-service (DDoS) attacks. The Cybersecurity and Infrastructure Security Agency (CISA) says it helped dozens of hospitals respond to these DDoS incidents.

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Security Affairs

OCTOBER 16, 2020

The Google Cloud team revealed that in September 2017 it has mitigated DDoS attack that reached 2.54 Tbps, the largest DDoS attack of ever. The Google Cloud team revealed that back in September 2017 it has mitigated a powerful DDoS attack that clocked at 2.54 Tbps DDoS attack mitigated by Amazon’s AWS in February.

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eSecurity Planet

JANUARY 28, 2022

Microsoft in November fended off a massive distributed denial-of-service (DDoS) attack in its Azure cloud that officials said was the largest ever recorded, the latest in a wave of record attacks that washed over the IT industry in the second half of 2021. Also read: How to Stop DDoS Attacks: 6 Tips for Fighting DDoS Attacks.

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CyberSecurity Insiders

JANUARY 26, 2022

A distributed denial of service attack, fondly known as DDoS, has reportedly hit North Korea in early hours of Wednesday, bringing down whole of the connectivity to a near halt. The post DDoS Cyber Attack downs internet in North Korea appeared first on Cybersecurity Insiders.

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eSecurity Planet

JULY 7, 2023

Mention the acronym DDoS to a web admin and they’ll likely break out in a cold sweat. DDoS, or Distributed Denial of Service attacks, are some of the most malicious and difficult-to-stop network attacks that can be launched against a website or any other DDoS-susceptible service, such as a SaaS platform.

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Security Affairs

MARCH 4, 2022

Russian government released a list containing IP addresses and domains behind DDoS attacks that hit Russian infrastructure after the invasion. SecurityAffairs – hacking, DDoS). The post These are the sources of DDoS attacks against Russia, local NCCC warns appeared first on Security Affairs. Pierluigi Paganini.

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Krebs on Security

MARCH 11, 2022

John Todd is general manager of Quad9 , a free “anycast” DNS platform. DNS stands for Domain Name System, which is like a globally distributed phone book for the Internet that maps human-friendly website names (example.com) to numeric Internet addresses (8.8.4.4.) that are easier for computers to manage.

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Dark Reading

JANUARY 7, 2019

2018 saw a reduced number of huge DNS-facilitated DDoS attacks. Vendors and service providers believe that malicious impact will drop with continued technology improvements.

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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. DDoS attacks are evolving to become more diverse. GitHub’s logo. But that’s not all.

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Heimadal Security

SEPTEMBER 15, 2023

While achieving compliance with industry standards is the minimum, it’s not enough to prevent insider threats, supply chain attacks, DDoS, or sophisticated cyberattacks such as double-extortion ransomware, phishing, business email compromise (BEC), info-stealing malware or attacks that leverage the domain name system (DNS).

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Security Affairs

JULY 27, 2020

The FBI issued an alert last week warning about the discovery of new network protocols that have been exploited to launch large-scale DDoS attacks. The Federal Bureau of Investigation sent an alert last week warning about large-scale distributed denial of service (DDoS) attacks that abused new network protocols. continues the report.

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Schneier on Security

MARCH 7, 2018

This is worrisome: DDoS vandals have long intensified their attacks by sending a small number of specially designed data packets to publicly available services. The services then unwittingly respond by sending a much larger number of unwanted packets to a target. Cloudflare blog post. BoingBoing post.

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Security Affairs

OCTOBER 25, 2019

This week Amazon Web Services (AWS) suffered a major distributed denial-of-service (DDoS) attack that made it unavailable for some customers. This week, threat actors launched a massive DDoS attack against Amazon Web Services (AWS) causing the inability of some customers to access their AWS S3 buckets. SecurityAffairs – Amazon, DDoS).

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eSecurity Planet

APRIL 3, 2018

We review Akamai's DDoS solution, which handles up to 8 Tbps of network capacity while mitigating DNS-based DDoS attacks and protecting DNS services.

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Security Affairs

JULY 4, 2019

The peculiarity of this new piece of malware is the ability to communicate with C2 servers via DNS over HTTPS ( DoH ). The DoH protocol was a new standard proposed in October 2018 and it is currently supported by several publicly available DNS servers. com domain. ” states the analysis. ” states the analysis.

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Dark Reading

SEPTEMBER 28, 2022

TCP-based, DNS water-torture, and carpet-bombing attacks dominate the DDoS threat landscape, while Ireland, India, Taiwan, and Finland are battered by DDoS attacks resulting from the Russia/Ukraine war.

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SiteLock

AUGUST 27, 2021

So far in this #AskSecPro DDoS series we’ve covered both Application Layer DDoS Attacks and Protocol-Based DDoS Attacks. We’ve also identified the differences between a DoS and a DDoS attack. Volumetric DDoS Attacks. Volumetric DDoS Attacks. DNS (x28-54). SSDP (x30.8). NTP (x556.9). CharGEN (x358.8).

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Security Affairs

AUGUST 12, 2018

Crooks are targeting DLink DSL modem routers in Brazil to redirect users to fake bank websites by carrying out DNS hijacking. Crooks are targeting DLink DSL modem routers in Brazil to redirect users to fake bank websites by changing the DNS settings. D-Link DSL-2740R / Unauthenticated Remote DNS Change Exploit [link].

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SiteLock

AUGUST 27, 2021

In our last #AskSecPro article we discussed the differences between a DoS and a DDoS attack. Now that we understand what a DDoS attack is in concept, let’s learn a little more about the mechanisms involved in these attacks. Application Layer DDoS Attacks. This DDoS vector accounts for about 20 percent of all DDoS attacks.

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eSecurity Planet

FEBRUARY 14, 2024

What Stateful Inspection Defends Against Stateful inspection protects network assets against attacks that attempt to corrupt or abuse processes such as TCP or Domain Name Service (DNS) that don’t check context when they receive data packet instructions. instead of eSecurityPlanet.com.

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Dark Reading

DECEMBER 16, 2019

DNS amplification attacks continue to dominate distributed denial-of-service (DDoS) attacks, while mobile devices make up a larger share of traffic.

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Malwarebytes

MAY 25, 2022

Since Linux is deployed on many IoT (Internet of Things) devices and cloud infrastructures, we are likely to see DDoS (distributed denial-of-system) attacks from botnets that have compromised such devices. Microsoft said that XorDDoS continues to home on Linux-based systems, demonstrating a significant pivot in malware targets.

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Krebs on Security

APRIL 4, 2024

Throughout 2023, Tornote was hosted with the Russian provider DDoS-Guard , at the Internet address 186.2.163[.]216. A review of the passive DNS records tied to this address shows that apart from subdomains dedicated to tornote[.]io, io, the main other domain at this address was hkleaks[.]ml. com , meternask[.]com com , and rnetamask[.]com.

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Security Affairs

JULY 22, 2021

Multiple major websites, including Steam, AWS, Amazon, Google, and Salesforce, went offline due to Akamai DNS global outage. A software configuration update triggered a bug in the Akamai DNS which took offline major websites, including Steam, the PlayStation Network, AWS, Google, and Salesforce. SecurityAffairs – hacking, DNS).

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Security Boulevard

NOVEMBER 18, 2022

A DDoS mitigation firm and content delivery network, Cloudflare, was established in 2010. To make businesses around the world more secure, the global cloud services provider Cloudflare delivers a broad range of services that include DDoS mitigation, CDN, Website security, DNS, […]. appeared first on EasyDMARC.

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eSecurity Planet

DECEMBER 8, 2023

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

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Security Affairs

DECEMBER 12, 2021

The attack_init function is also discarded, and the ddos attack function is called directly by the command processing function. During this process, a number of DNS requests are generated.” The analysis of the ELF sample revealed that it supports DDoS and backdoor commands. ” reads the post published by NetLab 360.

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Dark Reading

JUNE 13, 2018

China and the US are the world's leading sources of distributed denial-of-service botnet attacks.

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eSecurity Planet

SEPTEMBER 3, 2022

Distributed denial-of-service (DDoS) attacks cause problems for organizations of all sizes. To fight DDoS attacks, organizations and teams need to implement the three standard phases for any IT threat: preparation, reaction, and recovery. To skip ahead, click on the links: What is a DDoS Attack? Types of DDoS Attacks.

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