Verisign Security Blog

Verisign just released its Q2 2017 DDoS Trends Report, which represents a unique view into the attack trends unfolding online, through observations and insights derived from distributed denial of service (DDoS) attack mitigations enacted on behalf of Verisign DDoS Protection Services and security research conducted by Verisign Security Services. Verisign saw that 25 percent of […]

The post Q2 2017 DDoS Trends Report: 25 Percent of Attacks Peaked Over 5 Gbps appeared first on Verisign Blog.

Verisign is excited to announce that its easy-to-configure, cloud-based, recursive DNS filtering service, Verisign DNS Firewall, is now certified to run on Microsoft Azure. This service will help protect your Microsoft Azure virtual machines from malware command-and-control traffic and navigation to undesirable websites. Cybersecurity threats, such as malware, phishing and malicious apps, present serious challenges […]

The post Verisign Extends its DNS Firewall Service to Include Protection of Microsoft Azure Cloud Workloads appeared first on Verisign Blog.

Verisign is pleased to announce that we qualified for the Online Trust Alliance’s (OTA) 2017 Honor Roll for showing a commitment to best practices in security, privacy and consumer protection. This is the fifth consecutive year that Verisign has received this honor. The OTA is an initiative within the Internet Society (ISOC) with the mission […]

The post Verisign Named to the Online Trust Alliance’s 2017 Audit and Honor Roll appeared first on Verisign Blog.

Verisign just released its Q1 2017 DDoS Trends Report, which represents a unique view into the attack trends unfolding online, through observations and insights derived from distributed denial of service (DDoS) attack mitigations enacted on behalf of Verisign DDoS Protection Services. Verisign saw a 23 percent decrease in the number of attacks in Q1 2017; however, […]

The post Q1 2017 DDoS Trends Report: 26 Percent Increase in Average Peak Attack Size appeared first on Verisign Blog.

Launching a DDoS attack is much more accessible to attackers thanks to the rise of cloud computing, cheap hosting, readily available bandwidth and open-source attack tools. From low-skilled teenagers aiming to cheat while playing online games to cybercriminals looking to supplement their income by renting out their botnets for opportunistic attacks, the DDoS-for-hire market is […]

The post Market Landscape: The Botnet Ecosystem appeared first on Verisign Blog.

Verisign just released its Q4 2016 DDoS Trends Report, which represents a unique view into the attack trends unfolding online, through observations and insights derived from distributed denial of service (DDoS) attack mitigations enacted on behalf of Verisign DDoS Protection Services and security research conducted by Verisign iDefense Intelligence Services. Overall, average peak attack sizes […]

The post Q4 2016 DDoS Trends Report: 167 Percent Increase in Average Peak Attack Size from 2015 to 2016 appeared first on Verisign Blog.

Verisign just released its Q3 2016 DDoS Trends Report, which provides a unique view into online distributed denial of service (DDoS) attack trends from mitigations enacted on behalf of Verisign DDoS Protection Services and research conducted by Verisign iDefense Security Intelligence Services. User Datagram Protocol (UDP) flood attacks continue to dominate in Q3 2016, making […]

The post Q3 2016 DDoS Trends Report: UDP Flood Attacks Make Up 49 Percent of Attacks appeared first on Verisign Blog.

A few weeks ago, on Oct. 1, 2016, Verisign successfully doubled the size of the cryptographic key that generates Domain Name System Security Extensions (DNSSEC) signatures for the internet’s DNS root zone. With this change, root zone Domain Name System (DNS) responses can be fully validated using 2048-bit RSA keys. This project involved work by […]

The post A Great Collaborative Effort: Increasing the Strength of the Zone Signing Key for the Root Zone appeared first on Verisign Blog.

Layer 7 attacks are some of the most difficult attacks to mitigate because they mimic normal user behavior and are harder to identify. The application layer (per the Open Systems Interconnection model) consists of protocols that focus on process-to-process communication across an IP network and is the only layer that directly interacts with the end […]

The post Defending Against Layer 7 DDoS Attacks appeared first on Verisign Blog.

A few months ago I published a blog post about Verisign’s plans to increase the strength of the Zone Signing Key (ZSK) for the root zone. I’m pleased to provide this update that we have started the process to pre-publish a 2048-bit ZSK in the root zone for the first time on Sept. 20. Following […]

The post Increasing the Strength of the Zone Signing Key for the Root Zone, Part II appeared first on Verisign Blog.

Verisign just released its Q2 2016 DDoS Trends Report, which provides a unique view into online distributed denial of service (DDoS) attack trends from mitigations enacted on behalf of customers of Verisign DDoS Protection Services and research conducted by Verisign iDefense Security Intelligence Services. Every industry is at risk as DDoS attacks continue to increase in […]

The post Verisign Q2 2016 DDoS Trends: Layer 7 DDoS Attacks a Growing Trend appeared first on Verisign Blog.

Verisign is pleased to announce that we qualified for the Online Trust Alliance’s (OTA) 2016 Honor Roll for showing a commitment to best practices in security, privacy and consumer protection. This is the fourth consecutive year that Verisign has received this honor. The OTA is a non-profit with the mission to enhance online trust and […]

The post Verisign Named to the Online Trust Alliance’s 2016 Honor Roll appeared first on Verisign Blog.