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Samuel

@sbldevnet.com

Cloud Security Engineer ☁️

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03.07.2023
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Latest posts by Samuel @sbldevnet.com

WriteUp: Cloud Security Championship #2 - Contain Me If You Can - unicrons.cloud

Wiz already released the new challenge for this month, so it is time to show how we solved the previous one!

We always wanted to dig more about containers escaping, so it was a perfect opportunity to learn.
unicrons.cloud/en/2025/08/1...

28.08.2025 19:34 👍 1 🔁 2 💬 0 📌 0
Text screenshot: "You don't have permission to see the color for this account"

Text screenshot: "You don't have permission to see the color for this account"

"Alexa, show me the most bullshit AWS IAM permission in the world."

28.08.2025 18:34 👍 224 🔁 25 💬 11 📌 2
Post image

We're at @fwdcloudsec.org and we have stickers. I do not know what else to say so just find us (or the stickers we left around 😂)

30.06.2025 21:44 👍 0 🔁 2 💬 1 📌 0
Preview
FinOps for Engineers: How to create real impact in your organization, Thu, Jun 12, 2025, 6:30 PM | Meetup **Talk: "FinOps for Engineers: How to create real impact in your organization"** Learn about FinOps culture from the engineering point of view and how to create a positive

Is your boss telling you to reduce the bill? Then this meetup is perfect for you!

FinOps for Engineers: How to create real impact in your organization 💸
with Ernesto Suarez, CEO at @GlassityStartup

🗓Thu, June 12
⏰⁣18:30h
📍@FlywireEng
office
📝RSVP: www.meetup.com/aws-valencia...

09.06.2025 15:28 👍 1 🔁 2 💬 0 📌 0
Preview
AWS Dev Productivity: Go CLI to the Rescue!, jue, 3 abr 2025, 18:30 | Meetup **Talk: "AWS Dev Productivity: Go CLI to the Rescue!"** What if you could make AWS more intuitive and developer-friendly? In this session, we'll explore how to "reimagine"

AWS Dev Productivity: Go CLI to the Rescue!⚡️
Eduardo Simón, Senior Software Engineer at Flywire, will show how to boost dev productivity with a custom Go CLI.
🗓Thu, April 3
⏰⁣18:30h
📍Flywire office
💻Bring your laptop - hands-on workshop!
📝RSVP: www.meetup.com/es-ES/aws-va...

02.04.2025 13:35 👍 2 🔁 1 💬 0 📌 1

Qué está pasando aquí, y por qué no tengo tengo uno. Exijo justicia. 🥺

01.03.2025 11:39 👍 1 🔁 0 💬 1 📌 0
https://www.meetup.com/aws-valencia/events/305533795

Couldn't make it to re:Invent last year? No problem, we've got you! 🤝

Viktor Vedmich, Senior Developer Advocate at AWS, is coming to Valencia with re:Invent re:Cap session.
🗓Wed, January 29
⏰⁣ 18:00h
📍 Flywire office
📝 RSVP: t.co/Y7qmXreqjT

21.01.2025 08:52 👍 2 🔁 2 💬 0 📌 0
Post image

On our way to #AWSCommunityDaySpain 🚆 to talk about how to build your own CSPM with @steampipeio, AWS SecurityHub and AWS Organizations.

18.10.2024 08:31 👍 1 🔁 1 💬 0 📌 0
WriteUp: Cloud Village CTF 2024 - unicrons.cloud

You know us, if we see a scoreboard, there we go. And last weekend, we weren't at #defcon32, but we didn't miss the opportunity to participate in the @cloudvillage_dc CTF😬

Here we you have the 5 challenges we were able to solve:
https://unicrons.cloud/en/2024/08/13/writeup-cloud-village-ctf-2024/

13.08.2024 17:53 👍 1 🔁 2 💬 0 📌 0

Extra bit we didn't include in the post: The source roles are included under the `aws:PrincipalArn` condition to avoid losing access if we recreate the roles. Why don't add them as `Principal`?

16.06.2024 12:21 👍 1 🔁 1 💬 1 📌 0
IAM policy mishaps: Case 1 - S3 - unicrons.cloud

It's been a while but the new episode of our IAM series is out! Let's talk about S3:
https://unicrons.cloud/en/2024/06/01/iam-policy-mishaps-case-1---s3/

01.06.2024 15:27 👍 1 🔁 2 💬 1 📌 1

También puedes leerlo en Español aquí
unicrons.cloud/es/2024/02/2...

23.02.2024 14:25 👍 1 🔁 1 💬 0 📌 0
IAM policy mishaps: Intro to IAM - unicrons.cloud

We just launched unicrons.cloud. Check out our first blog post! IAM intro from our Sh3llCON talk, first episode of the series. unicrons.cloud/en/2024/02/2...

23.02.2024 13:49 👍 3 🔁 2 💬 0 📌 1

AMI Block Public Access now enabled for all new accounts and existing accounts with no public AMIs ❤️ aws.amazon.com/about-aws/wh...

20.10.2023 18:12 👍 2 🔁 1 💬 0 📌 0