Daily Writeups
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Daily Bug Bounty / Cybersecurity Writeups
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Daily Writeups
⤷ Title: TryHackMe — Attack & Defend AWS: AWS Lambda & Data Exfiltration
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𐀪 Author: Huy Phu
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ⴵ Time: Wed, 15 Jan 2025 11:02:48 GMT
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⌗ Tags: #attack_defend_aws #tryhackme #data_exfiltration #aws_lambda #cloud_security
Medium
TryHackMe — Attack & Defend AWS: AWS Lambda & Data Exfiltration
Lambda — Data Exfiltration
23 views
Daily Writeups
⤷ Title: (AWS Step-by-Step) — Automation and Remediation of Access Keys and Security Groups
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𐀪 Author: ISHII (石井)
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ⴵ Time: Sun, 30 Mar 2025 01:04:57 GMT
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⌗ Tags: #aws_lambda #cybersecurity #aws #information_security #automation
Medium
(AWS Step-by-Step) — Automation and Remediation of Access Keys and Security Groups
Introduction
20 views
Daily Writeups
⤷ Title: AWS Just Took a Big Leap in Defending Against Quantum Cyberattacks — Let’s Talk About It
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𐀪 Author: The Cyber Ghost
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ⴵ Time: Wed, 09 Apr 2025 01:43:16 GMT
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⌗ Tags: #cybersecurity #aws_lambda #aws_certification #cyber_security_awareness #aws
Medium
AWS Just Took a Big Leap in Defending Against Quantum Cyberattacks — Let’s Talk About It
Hey there, cybersecurity enthusiast (or just someone who likes to stay ahead of the curve) — Let’s talk about something massive that just…
17 views
Daily Writeups
⤷ Title: How To Fix The “{“message”:”Internal Server Error”}” Error in AWS
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𐀪 Author: Emmanuel Muturia™
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ⴵ Time: Thu, 29 May 2025 15:39:26 GMT
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⌗ Tags: #cloud_security #aws #cloud #aws_lambda #cybersecurity
Medium
How To Fix The “{“message”:”Internal Server Error”}” Error in AWS
You are well on your way to provisioning your AWS Infrastructure. Perhaps like me, you are setting up the Backend of that soon-to-be-viral…
31 views
Daily Writeups
⤷ Title: “This Blog is 30% CTF, 70% Existential Crisis — You’re Welcome”
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𐀪 Author: Ahengjnr
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ⴵ Time: Fri, 06 Jun 2025 20:03:47 GMT
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⌗ Tags: #aws_lambda #ctf_writeup #existential_crises #kali_linux #tryhackme
Medium
“This Blog is 30% CTF, 70% Existential Crisis — You’re Welcome”
Okay soooo… Yeah, I know. It’s been a minute since I last uploaded on Medium. Life’s been out here throwing punches like it’s trying to…
25 views
Daily Writeups
⤷ Title: HazyBeacon: Novel Backdoor Uses AWS Lambda for Stealthy C2, Targets Govts
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𐀪 Author: Ddos
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ⴵ Time: Tue, 15 Jul 2025 00:12:47 +0000
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⌗ Tags: #Malware #AWS Lambda #backdoor #C2 #Cloud Security #Command and Control #Cyberespionage #cybersecurity #DLL Sideloading #HazyBeacon #Unit 42
Daily CyberSecurity
HazyBeacon: Novel Backdoor Uses AWS Lambda for Stealthy C2, Targets Govts
Unit 42 uncovers HazyBeacon, a novel backdoor using AWS Lambda URLs for stealthy C2. It's deployed via DLL sideloading, targeting Southeast Asian govts for trade documents.
7 views
Daily Writeups
⤷ Title: HazyBeacon: New Windows Backdoor Uses AWS Lambda for Stealthy Cyber-Espionage in Southeast Asia
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𐀪 Author: ddos
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ⴵ Time: Thu, 17 Jul 2025 02:56:32 +0000
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⌗ Tags: #Cybercriminals #AWS Lambda #C2 #Cyber Espionage #DLL Sideloading #Government #HazyBeacon #malware #Palo Alto Networks #Southeast Asia
Penetration Testing Tools
HazyBeacon: New Windows Backdoor Uses AWS Lambda for Stealthy Cyber-Espionage in Southeast Asia
Palo Alto Networks' Unit 42 reveals HazyBeacon, a new Windows backdoor targeting Southeast Asian governments, using AWS Lambda for covert command and control.
33 views
Daily Writeups
⤷ Title: This AWS Service Controls Everything — But Most People Ignore It
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𐀪 Author: Alex Joyel Raj
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ⴵ Time: Tue, 22 Jul 2025 11:23:28 GMT
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⌗ Tags: #hacking #aws_lambda #iam_roles #software_development #aws
Medium
This AWS Service Controls Everything — But Most People Ignore It
It holds the keys to every bucket, server, and secret. And it’s probably misconfigured.
13 views
Daily Writeups
⤷ Title: ¿Quién borró mi archivo? Automatiza la notificación de eliminación en Amazon S3 en tiempo real
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𐀪 Author: Pois0n84
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ⴵ Time: Sat, 26 Jul 2025 00:55:30 GMT
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⌗ Tags: #cloud_security #s3 #cybersecurity #aws_lambda #aws
Medium
¿Quién borró mi archivo? Automatiza la notificación de eliminación en Amazon S3 en tiempo real
Detectar quién borra archivos en S3 puede ser clave para la seguridad; aquí resumo las mejores formas de lograrlo.
19 views
Daily Writeups
⤷ Title: Serverless Malware Scanning on S3 with Amazon GuardDuty (and a Quarantine Flow)
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𐀪 Author: Georgi_V
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ⴵ Time: Fri, 15 Aug 2025 01:45:52 GMT
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⌗ Tags: #amazon_guardduty #aws #serverless #aws_lambda #cybersecurity
Medium
Serverless Malware Scanning on S3 with Amazon GuardDuty (and a Quarantine Flow)
TL;DR: This post shows how to build a fully serverless pipeline where uploads arrive via a REST endpoint, land in an ingest S3 bucket, get…
12 views
Daily Writeups
⤷ Title: Who Deleted My File? Automate Real-Time Deletion Notifications in Amazon S3
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𐀪 Author: Pois0n84
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ⴵ Time: Fri, 22 Aug 2025 16:28:08 GMT
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⌗ Tags: #malware #cloud_computing #cybersecurity #aws #aws_lambda
Medium
Who Deleted My File? Automate Real-Time Deletion Notifications in Amazon S3
Introduction
16 views
Daily Writeups
⤷ Title: Learning AWS Services — Threat Intelligence Dashboard
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𐀪 Author: Davis Mtui
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ⴵ Time: Mon, 06 Oct 2025 00:45:53 GMT
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⌗ Tags: #aws #cloud_computing #aws_lambda #cybersecurity
Medium
Learning AWS Services — Threat Intelligence Dashboard
I’ve decided to spend late Q4 and early Q1 2026 focused on building cloud projects to grow my AWS skills. This is my second project in AWS…
12 views
Daily Writeups
⤷ Title: Ameriprise Interview Project — Automating IAM User Monitoring with AWS Lambda, S3, and CloudWatch
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𐀪 Author: Amro Abu-Atieh
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ⴵ Time: Wed, 08 Oct 2025 03:24:45 GMT
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⌗ Tags: #aws_iam #cybersecurity #aws_security #aws_s3 #aws_lambda
Medium
Ameriprise Interview Project — Automating IAM User Monitoring with AWS Lambda, S3, and CloudWatch
Ameriprise Interview Project — Automating IAM User Monitoring with AWS Lambda, S3, and CloudWatch In this project, I worked on securing an AWS environment by focusing on IAM (Identity and Access …
12 views
Daily Writeups
⤷ Title: Locked Out of the Cloud: Hackers Use AWS Termination Protection to Hijack ECS for Unstoppable Crypto Mining
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𐀪 Author: Ddos
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ⴵ Time: Thu, 18 Dec 2025 00:42:31 +0000
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⌗ Tags: #Cybercriminals #Amazon ECS #Amazon GuardDuty #AWS #AWS Lambda #Cloud Security #Cryptojacking #EC2 #IAM Security #persistence #Termination Protection
Daily CyberSecurity
Locked Out of the Cloud: Hackers Use AWS Termination Protection to Hijack ECS for Unstoppable Crypto Mining
Hackers are weaponizing AWS termination protection to lock defenders out while they mine crypto on hijacked ECS/EC2 resources using a malicious Docker image.
15 views
Daily Writeups
⤷ Title: AWS Pentesting for Beginners: Think Like a Cloud Attacker
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𐀪 Author: Motasem Hamdan
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ⴵ Time: Tue, 06 Jan 2026 10:56:15 GMT
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⌗ Tags: #aws #aws_ec2 #aws_certification #aws_lambda #hacking
Medium
AWS Pentesting for Beginners: Think Like a Cloud Attacker
Let’s be honest: most cloud security writing is either boring or dangerously naive. Firewalls and network ports aren’t the threat anymore…
59 views
Daily Writeups
⤷ Title: AWS Pentesting for Beginners: Think Like a Cloud Attacker
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𐀪 Author: Motasem Hamdan
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ⴵ Time: Tue, 06 Jan 2026 10:56:15 GMT
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⌗ Tags: #aws #aws_ec2 #aws_certification #aws_lambda #hacking
Medium
AWS Pentesting for Beginners: Think Like a Cloud Attacker
Let’s be honest: most cloud security writing is either boring or dangerously naive. Firewalls and network ports aren’t the threat anymore…
28 views
Daily Writeups
⤷ Title: API Gateway Authentication with Cognito User Pools
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𐀪 Author: Sithija Kumarasinghe
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ⴵ Time: Sun, 01 Mar 2026 21:44:58 GMT
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⌗ Tags: #api_security #jwt_authentication #aws_lambda_integration #aws_cognito #aws_api_gateway
Medium
API Gateway Authentication with Cognito User Pools
You deploy your API using Amazon API Gateway. You connect it to Lambda. You test it using Postman. It returns data instantly. Everything…
34 views
Daily Writeups
⤷ Title: Monitoring AWS Workloads
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𐀪 Author: THM{0x416469747961204D6163686972616A75}
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ⴵ Time: Tue, 10 Mar 2026 06:26:18 GMT
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⌗ Tags: #tryhackme_pre_security #tryhackme_walkthrough #tryhackme_writeup #aws_lambda #tryhackme
Medium
Monitoring AWS Workloads
Learn how apps run in AWS and what you should know to effectively monitor them.
8 views
Daily Writeups
⤷ Title: Monitoring AWS Workloads — Part 2
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𐀪 Author: THM{0x416469747961204D6163686972616A75}
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ⴵ Time: Tue, 10 Mar 2026 07:03:30 GMT
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⌗ Tags: #tryhackme_walkthrough #aws_lambda #tryhackme_writeup #tryhackme #splunk
Medium
Monitoring AWS Workloads — Part 2
Learn how apps run in AWS and what you should know to effectively monitor them.
26 views
Daily Writeups
⤷ Title: Firecracker Security Alert: Virtio-PCI Vulnerability Could Lead to Out-of-Bounds Memory Access
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𐀪 Author: Ddos
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ⴵ Time: Wed, 08 Apr 2026 13:22:17 +0000
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⌗ Tags: #Vulnerability Report #AWS Firecracker #AWS Lambda #Cloud Security #CVE_2026_5747 #Fargate Security #Linux Kernel #MicroVM Security #out_of_bounds write #Virtio_PCI #virtualization
Daily CyberSecurity
Firecracker Security Alert: Virtio-PCI Vulnerability Could Lead to Out-of-Bounds Memory Access
AWS patches a high-severity (8.7) Firecracker flaw allowing root guests to trigger memory corruption via the virtio-pci transport. Update your microVMs now.
18 views