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What Is DNS Security? Everything You Need to Know

eSecurity Planet

DNS security protects the domain name system (DNS) from attackers seeking to reroute traffic to malicious sites. Since a majority of business IT traffic now accesses or passes through the internet, DNS plays an increasingly important — and vulnerable — role. in the DNS cache for more efficient delivery of information to users.

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How To Tell If You’ve Been DDoSed: 5 Signs of a DDoS Attack

eSecurity Planet

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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What Is Stateful Inspection in Network Security? Ultimate Guide

eSecurity Planet

Stateful inspection is a firewall feature that filters data packets based on the context of previous data packets. For example, a firewall performing stateful inspection may be tracking an active FTP transfer with the FTP server and show a network laptop in a Listen or Closed status. Stateless protocols (UDP, HTTP, etc.)

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KillNet hits healthcare sector with DDoS attacks

Malwarebytes

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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FBI warns cyber actors abusing protocols as new DDoS attack vectors

Security Affairs

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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Ask a Security Professional: DDoS Attacks — Part Four: Volumetric Attacks

SiteLock

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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Ask a Security Professional: DDoS Attacks — Part Two: Application Layer Attacks

SiteLock

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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