David Holmes

David Holmes was a researcher and evangelist for F5 Networks, with emphasis on cryptography, distributed denial of service attacks, and the Internet of Things. He has spoken at over 50 conferences such as RSA, RSA Europe, InfoSec and Gartner Data Center. Holmes researches and writes on global cryptography trends, DDoS, IoT and blockchain. He has also written for industry magazines such as SCMagazine and the Network World. Holmes writes regularly about vulnerabilities, technical solutions and the security industry for SecurityWeek.com and F5 Labs.

Research by David Holmes (17)

Data Privacy and the 2018 Philippine Identification System Act

Article | Sep 27, 2018

Data Privacy and the 2018 Philippine Identification System Act

There are many good reasons for having a national ID system, but proper implementation is crucial to mitigate threats and maintain the balance of data privacy.

5 min read

Snooping on Tor from Your Load Balancer

Blog | Jul 3, 2018

Snooping on Tor from Your Load Balancer

An F5 Labs researcher snoops on Tor exit node traffic from a load balancer. What he finds will shock you. SHOCK YOU.

9 min read

The 2017 TLS Telemetry Report

Report | Apr 23, 2018

The 2017 TLS Telemetry Report

Privacy today isn’t just about staying away from prying eyes. The very act of communicating across the Internet with open, non-confidential protocols invites exposure to multiple threat types.

30 min read

The Email that Could Steal Your Life Savings and Leave You Homeless

Blog | Feb 8, 2018

The Email that Could Steal Your Life Savings and Leave You Homeless

Real estate scams are big business for attackers. Be on the lookout for this one, which can leave home buyers destitute if not caught in time.

6 min read

Mirai is Attacking Again, So We’re Outing its Hilarious, Explicit C&C Hostnames

Blog | Jan 4, 2018

Mirai is Attacking Again, So We’re Outing its Hilarious, Explicit C&C Hostnames

With Mirai rearing its ugly head again, we’re revealing its C&C hostnames so organizations can update their denylists and protect themselves.

5 min read

Bleichenbacher Rears Its Head Again with the ROBOT Attack

Article | Dec 27, 2017

Bleichenbacher Rears Its Head Again with the ROBOT Attack

Bleichenbacher attacks will likely continue to pop up until TLS 1.3 is fully adopted, which could take years.

6 min read

Reaper: The Professional Bot Herder’s Thingbot

Article | Oct 26, 2017

Reaper: The Professional Bot Herder’s Thingbot

While Reaper might be considered an “object lesson” today, it should serve as a blistering warning that IoT security needs to be fixed now.

6 min read

Proposed Legislation Calls for Cleaning Up the IoT Security Mess

Article | Oct 3, 2017

Proposed Legislation Calls for Cleaning Up the IoT Security Mess

Legislation is a good first step toward persuading IoT manufacturers (who want to stay in business) to do the right thing when it comes to the security of their devices.

4 min read

Five Reasons the CISO is a Cryptocurrency Skeptic—Starting With Bitcoin

Article | Sep 13, 2017

Five Reasons the CISO is a Cryptocurrency Skeptic—Starting With Bitcoin

There’s a lot of hype surrounding cryptocurrencies, but what’s good for currency traders may not be great for security-minded professionals.

5 min read

RSA in a “Pre-Post-Quantum” Computing World

Article | Aug 1, 2017

RSA in a “Pre-Post-Quantum” Computing World

Quantum computing is coming. What should your strategy be today to deal with what’s on the horizon?

4 min read

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David Holmes - Threat Intelligence & Research | F5 Labs