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August 12, 2020

Strengthening DNS Security with DNS over HTTPS (DoH)

The Domain Name System (DNS) is critical to the functioning of the internet. The protocol was created more than 30 years ago to replace the process of manually updating lists of servers (IP addresses) on the internet/Arpanet. DNS has become increasingly vulnerable to a host of malicious attacks on networks and subscribers. Over the years,…

August 11, 2020

Ransomware Attacks and the Evolution of Data Exfiltration

Ransomware is one of the most sophisticated and feared attacks in the modern threat landscape. A specialized form of malware, ransomware is designed to forcibly encrypt a victim’s files. The attacker then demands a payment from the victim in exchange for the decryption key to restore access to the data upon payment. Costs can range…

August 10, 2020

When the Internet of Things (IoT) is Armed as an IoT Botnet

Don’t Join the IoT Botnet Army When the Internet of Things (IoT) is weaponized to launch DDoS attacks, it’s called the DDoS of Things. The problem is that many consumer IoT devices can easily be hijacked and made part of such IoT botnets, which are then used to power bigger, smarter, and more devastating multi-vector…

August 6, 2020

Threat Intelligence Report: DDoS Attacks Intensify in Q2 2020

DDoS attacks continue to grow in size, frequency and sophistication. DDoS botnet weapons remain as popular as ever, while modern malware is gaining new ways to infect IoT systems and recruit them as drones. Reflected amplification attacks are helping hackers intensify the impact of their efforts. In challenging times like these, for enterprise security professionals,…

July 29, 2020

Defeat Emotet Malware with SSL Interception - No Mask Needed

The Emotet trojan recently turned from a major cybersecurity threat to a laughingstock when its payloads were replaced by harmless animated GIFs. Taking advantage of a weakness in the way Emotet malware components were stored, white-hat hackers donned their vigilante masks and sabotaged the operations of the recently revived cyberthreat. While highly effective as well…

July 8, 2020

NXNSAttack: A New DDoS Attack on Recursive DNS Resolvers

The purpose of a Distributed Denial of Service or DDoS attack is to prevent an online service from working properly by overloading a target service, say a web server, such that valid users either experience poor performance or, taken to the extreme, can’t connect to the target service at all. Whatever the degree of a…

July 6, 2020

What's so bad about the NXNSAttack DNS Amplification Attack?

How did NXNSAttack Against DNS Services get Noticed? In May 2020, the NXNSAttack was identified as a new DDoS attack on DNS servers by the cybersecurity researchers at Tel Aviv University. The NXNSAttack exploits the vulnerability at recursive DNS resolvers and triggers an amplification attack to other recursive DNS servers and authoritative DNS servers by…

June 24, 2020

AWS hit by Largest Reported DDoS Attack of 2.3 Tbps

Attack Shows it is Imperative for a DDoS Zero-Trust Approach and Continued Diligence We have reached another milestone with the largest Distributed Denial of Service (DDoS) attack on record being reported by Amazon Web Services (AWS) at 2.3 Tbps in Q1 2020. This surpasses the last record attack by a whopping 70 percent. The previous…