Learn about What is a sinkhole cyber security? topic with top references and gain proper knowledge before get into it.

Hacker Lexicon: What Is Sinkholing? | WIRED

When you have an excess of phone calls, you send them to voicemail. And when you have a deluge of junk from a botnet attacking your network, you put all that malicious traffic into a sinkhole(1)

Information Security: Sinkholing – A Critical Defensive Tool – Hitachi …

Definition of a Sinkhole. Put simply, a sinkhole is a server or network segment to which malicious traffic is intentionally directed. It is similar to a honeypot but it is used actively as a defense. Once the traffic is isolated in a sinkhole, it can no longer hurt its intended targets; additionally, the traffic can be analyzed to reveal the …(2)

Understanding DNS sinkholes – Infosec Resources

May 17, 2021A sinkhole is a way of redirecting malicious internet traffic so that it can be captured and analyzed by security analysts. Sinkholes are most often used to seize control of botnets by interrupting the DNS names of the botnet that is used by the malware. … Hacking Penetration testing Cyber ranges Capture the flag Malware analysis Professional …(3)

Sinkhole Definition – Cybersecurity Terms | CyberWire

Definition of sinkhole : noun. A standard DNS server configured to hand out non-routable addresses for all domains in the sinkhole, so that every computer that uses it will fail to get access to the real website. DNS sinkholes can detect and block malicious traffic, and are used to combat bots and other unwanted traffic.(4)

Sinkholes: How to Use Deception Technology to … – Fidelis Cybersecurity

A sinkhole is a system used by security teams to fight, block, and collect information about adversaries infiltrated the organization. It is also used by security researchers to collect information about botnets activities and the adversaries’ PPTs. Most common to security professionals is a DNS sinkhole [1]. This provides the prevention of …(5)

Sinkhole | Kaspersky IT Encyclopedia

A sinkhole is a computer used by anti-malware researchers to collect information about a botnet.. This computer masquerades as one of the C2 (command-and-control) servers in the botnet, so that DNS requests (from compromised computers in the botnet) for this server are re-directed to the sinkhole computer, where they can be analysed by researchers.(6)

What is a DNS Sinkhole | Malware Detection | Netacea

A DNS sinkhole is a method of redirecting traffic from one DNS server to another. It can be used for security purposes, such as malware detection, or for research purposes. By using a DNS sinkhole, you can direct all traffic for a given domain name to a specific server, which can then be monitored for malicious activity.(7)

DNS sinkhole: A tool to help thwart cyberattacks – BlueCat Networks

Aug 19, 2021Sinkholes are very useful for thwarting botnets and their command-and-control (C2) originators. (A botnet is a collection of breached internet-connected devices. … Network security teams can use sinkholing server logs to help identify infected hosts. When a device repeatedly attempts to make a connection but gets redirected, there is a good …(8)

What is a ‘leaking sinkhole?’ – CyberScoop

Securiosity: What is a ‘leaking sinkhole?’. What is a ‘leaking sinkhole?’. In April, a small agency under the DOD released a bulletin that said a Chinese hacker group had been stealing data from cleared contractors via a leaked sinkhole. Shannon Vavra dug into that bulletin, and found the story behind it to be a very confusing mystery.(9)

DNS Sinkholes: What is it and how to start using

Jun 20, 2021EvolveCTI Automated Cyber Threat Intelligence; EvolveSC Automated Supply Chain Monitoring; EvolvePT Automated Penetration Testing; EvolveAPP Automated Application Security Testing; EvolveDNS Automated DNS Sinkhole; EvolveXDR Automated Detection and Response; EvolveIR Automated Incident Response;(10)

The sinkhole that saved the internet – TechCrunch

Jul 8, 2019Mirai was hitting the sinkhole hard but the server stayed up. … even the U.K. National Cyber Security Center recognize him as “MalwareTech” as his byline in a post on the organization’s blog.(11)

Sinkhole Attack – an overview | ScienceDirect Topics

An example attack that has been demonstrated in the smart home cyber security literature is a sinkhole attack (Coppolino et al., 2015), where a rogue node infiltrates a network of ZigBee wireless sensors and increases its transmission power, so as to be able to reach the ZigBee coordinator with fewer hops and as such be preferred by the Ad hoc …(12)

DNS sinkholes to Prevent Malware? How did it work? – Security Investigation

Nov 12, 2021A sinkhole is a way of redirecting malicious Internet traffic to a fake IP address so that it can be captured and analyzed by security analysts. DNS Sinkhole is used in various organizations to spoof DNS servers to prevent c2c communications towards malicious domains/URLs. This can be attained by configuring the DNS forwarder to return a false …(13)

Sinkholes: Legal and Technical Issues in the Fight against Botnets

DNS sinkhole could be used to mitigate different types of cyber threats that adopt DNS resolution. One use is to stop botnets by interrupting the DNS names the botnet is programmed to use for coordination. Security firms use it to analyze the connections to bad domains to discover the clients that have been compromised by the cyber threat.(14)

DNS sinkhole – Wikipedia

A DNS sinkhole, also known as a sinkhole server, Internet sinkhole, or Blackhole DNS is a DNS server that has been configured to hand out non-routable addresses for a certain set of domain names.Computers that use the sinkhole fail to access the real site. The higher up the DNS resolution chain the sinkhole is, the more requests will fail, because of the greater number of lower NS servers that …(15)

Understanding DNS Sinkhole – IP With Ease

DNS sinkholes are useful for day-to-day network operations and management, threat log analysis, and overall security, as well as a research tool to improve their ability to identify threats in the network and prevent attacks. It makes log analysers an important weapon in the cyber security stream. Continue Reading:(16)

Sinkhole HTTP Referers and what to do about them – KB.IWEB.COM

A sinkhole, in the context of computer security, is a service created purposely and used to impersonate a real service whether it be legitimate or a malicious service like a botnet command and control host. In this particular case the sinkhole involved here is a service operated by a security organization to trap and record visits to websites …(17)

What is a sinkhole? | U.S. Geological Survey – USGS.gov

A sinkhole is a depression in the ground that has no natural external surface drainage. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes are most common in what geologists call, “karst terrain.” These are regions where the types of rock below the land surface can naturally be dissolved by groundwater …(18)

What is a Botnet Sinkhole? | Security Encyclopedia – HYPR

Botnet Sinkhole. A botnet sinkhole is a tactic used by security professionals to redirect malicious botnet traffic into a reserve where it is analyzed and weaponized against the malicious bot or botnet activity. As bots or a botnet communicate with their command and control (C&C) server, the location is discovered by law enforcement authorities.(19)

DNS Sinkhole — ENISA

DNS Sinkholing is a mechanism aimed at protecting users by intercepting DNS request attempting to connect to known malicious or unwanted domains and returning a false, or rather controlled IP address. The controlled IP address points to a sinkhole server defined by the DNS sinkhole administrator. This technique can be used to prevent hosts from …(20)

Excerpt Links

(1). Hacker Lexicon: What Is Sinkholing? | WIRED
(2). Information Security: Sinkholing – A Critical Defensive Tool – Hitachi …
(3). Understanding DNS sinkholes – Infosec Resources
(4). Sinkhole Definition – Cybersecurity Terms | CyberWire
(5). Sinkholes: How to Use Deception Technology to … – Fidelis Cybersecurity
(6). Sinkhole | Kaspersky IT Encyclopedia
(7). What is a DNS Sinkhole | Malware Detection | Netacea
(8). DNS sinkhole: A tool to help thwart cyberattacks – BlueCat Networks
(9). What is a ‘leaking sinkhole?’ – CyberScoop
(10). DNS Sinkholes: What is it and how to start using
(11). The sinkhole that saved the internet – TechCrunch
(12). Sinkhole Attack – an overview | ScienceDirect Topics
(13). DNS sinkholes to Prevent Malware? How did it work? – Security Investigation
(14). Sinkholes: Legal and Technical Issues in the Fight against Botnets
(15). DNS sinkhole – Wikipedia
(16). Understanding DNS Sinkhole – IP With Ease
(17). Sinkhole HTTP Referers and what to do about them – KB.IWEB.COM
(18). What is a sinkhole? | U.S. Geological Survey – USGS.gov
(19). What is a Botnet Sinkhole? | Security Encyclopedia – HYPR
(20). DNS Sinkhole — ENISA

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