Reletter
Artwork for Defensible Systems Substack

Defensible Systems Substack

Gunnar Peterson, Alexis Lavi

Practical cybersecurity

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues24SubscribersRead defensiblesystems.substack.com

Curious about how many subscribers Defensible Systems Substack has or want to find similar newsletters? Reletter has got you covered. We collated all the information we could find from across the web in our database of over three million newsletters.

Check the email archives, get traffic estimates, engagement scores and more to discover the best advertising opportunities.

Our search tool helps you locate relevant newsletters for any topic and compare their stats for better sponsorship decisions.

Contact Information
How Many Subscribers?
Reletter gives you subscriber numbers, contacts, chart rankings, traffic estimates and more across 3m+ newsletters.

Latest Issues

Recent posts by this newsletter. Browse the email archive.

Web Authentication is Broken

> “The real trouble with this world of ours is not that it is an unreasonable world, nor even that it is a reasonable one. The commonest kind of trouble is that it is nearly reasonable, but not quite. Life is not an illogicality; yet it is ...

2 months ago
4
0

MCP Security - Thinking in Zones

MCP keeps gaining adoption, but security is an exercise left to the implementer. Many teams launch their approach to securing MCP calls with OAuth. This is a fine opening move, but just like moving a pawn as your first move in a chess match...

8 months ago
3
0

Who will solve MCP Security?

If you are anything like me who works in cybersecurity but, admittedly not on AI security, you have had to ‘get smart’ quickly. Not just on the security challenges and opportunities on AI adoption but how AI agents and the overall infrastru...

9 months ago
5
2

Some Thoughts Pat Opet's open letter

My wife is an artist, and her mantra making sculptures is - "no tears when you are making it, no tears when others see your sculptures."

9 months ago
3
0

Authors

The writers behind this newsletter.

  • Gunnar Peterson

    Practical Cybersecurity

  • Alexis Lavi

    AG Partner is a cybersecurity services firm specializing in architecturally grounded (AG) solutions to its partners. AG is committed to systematic thinking and thoughtful security integration, resulting in practical cybersecurity.

  • Frequently Asked Questions

    How can I access the email archive for Defensible Systems Substack?

    You can find recent issues that have been published by Defensible Systems Substack on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Defensible Systems Substack have?

    To see how many people subscribe to Defensible Systems Substack, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Defensible Systems Substack?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Defensible Systems Substack as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Defensible Systems Substack?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Defensible Systems Substack using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters similar to Defensible Systems Substack?

    Scroll up to where it says Similar Newsletters to see other publications like Defensible Systems Substack. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Defensible Systems Substack?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.