⤷ Title: Sourcenext Data Breach Exposes 22.5M User Records
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𐀪 Author: Do Son
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ⴵ Time: Tue, 20 Oct 2026 07:10:31 +0000
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⌗ Tags: #Data Leak #API security #Credential Stuffing #cybersecurity #Data Breach #Sourcenext
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𐀪 Author: Do Son
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ⴵ Time: Tue, 20 Oct 2026 07:10:31 +0000
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⌗ Tags: #Data Leak #API security #Credential Stuffing #cybersecurity #Data Breach #Sourcenext
Daily CyberSecurity
Sourcenext Data Breach Exposes 22.5M User Records
Prominent Japanese software distributor Sourcenext recently issued an urgent security notice to its customers. Specifically, unauthorized actors abused an internal member information query API to …
⤷ Title: Just Ask: Exploiting Excessive Agency in an LLM
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𐀪 Author: sa0k0
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ⴵ Time: Tue, 20 Oct 2026 17:45:50 GMT
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⌗ Tags: #portswigger_lab #api_security #llm_security #excessive_agency #web_llm_attacks
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𐀪 Author: sa0k0
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ⴵ Time: Tue, 20 Oct 2026 17:45:50 GMT
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⌗ Tags: #portswigger_lab #api_security #llm_security #excessive_agency #web_llm_attacks
Medium
Just Ask: Exploiting Excessive Agency in an LLM
From customer support chat to database deletion: following the tools in a PortSwigger Web LLM lab.
⤷ Title: Securing API Communication in Google Cloud: Best Practices for Internal, B2B, and Cross-Cloud…
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𐀪 Author: Nasim Kabi
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ⴵ Time: Tue, 20 Oct 2026 22:23:49 GMT
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⌗ Tags: #google_cloud_platform #cybersecurity #microservices #api_security #cloud_architecture
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𐀪 Author: Nasim Kabi
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ⴵ Time: Tue, 20 Oct 2026 22:23:49 GMT
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⌗ Tags: #google_cloud_platform #cybersecurity #microservices #api_security #cloud_architecture
Medium
Securing API Communication in Google Cloud: Best Practices for Internal, B2B, and Cross-Cloud Integrations
Understanding private networking, HTTPS, OAuth 2.0, API keys, workload identity, and mutual TLS (mTLS) for secure enterprise API…
⤷ Title: IDOR / BOLA: How to Find the #1 API Vulnerability — and Actually Prove It
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𐀪 Author: Krishna Kumar
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ⴵ Time: Wed, 21 Oct 2026 04:09:01 GMT
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⌗ Tags: #web_security #cybersecurity #bug_bounty #programming #api_security
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𐀪 Author: Krishna Kumar
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ⴵ Time: Wed, 21 Oct 2026 04:09:01 GMT
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⌗ Tags: #web_security #cybersecurity #bug_bounty #programming #api_security
Medium
🔓 IDOR / BOLA: How to Find the #1 API Vulnerability — and Actually Prove It
Broken Object Level Authorization — IDOR, to most of us — is the single most common serious bug in modern APIs. It sits at #1 on the OWASP…
⤷ Title: 7 Ways Attackers Can Abuse an API Even When Authentication Works
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𐀪 Author: TechByRahmat
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ⴵ Time: Wed, 21 Oct 2026 06:16:01 GMT
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⌗ Tags: #api_security #web_development #software_engineering #programming #cybersecurity
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𐀪 Author: TechByRahmat
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ⴵ Time: Wed, 21 Oct 2026 06:16:01 GMT
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⌗ Tags: #api_security #web_development #software_engineering #programming #cybersecurity
Medium
7 Ways Attackers Can Abuse an API Even When Authentication Works
Valid credentials do not guarantee that a request is safe.
⤷ Title: Seguridad de APIs para el CTO: identidad, gateway y tokens, sin confiar a ciegas
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𐀪 Author: Dorian Chávez Juárez
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ⴵ Time: Wed, 21 Oct 2026 08:40:45 GMT
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⌗ Tags: #oauth #api_security #cybersecurity
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𐀪 Author: Dorian Chávez Juárez
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ⴵ Time: Wed, 21 Oct 2026 08:40:45 GMT
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⌗ Tags: #oauth #api_security #cybersecurity
Medium
Seguridad de APIs para el CTO: identidad, gateway y tokens, sin confiar a ciegas
Cuándo revalidar el token detrás del gateway, cómo se llaman las APIs entre sí, introspección o validación local, logout y cuánto debe…
⤷ Title: How I Found 7 Vulnerabilities in OWASP crAPI, and the Reasoning Behind Each One
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𐀪 Author: Akash
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ⴵ Time: Wed, 21 Oct 2026 11:38:20 GMT
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⌗ Tags: #penetration_testing #api_security #cybersecurity #bug_bounty #infosec
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𐀪 Author: Akash
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ⴵ Time: Wed, 21 Oct 2026 11:38:20 GMT
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⌗ Tags: #penetration_testing #api_security #cybersecurity #bug_bounty #infosec
Medium
How I Found 7 Vulnerabilities in OWASP crAPI, and the Reasoning Behind Each One
The thinking behind each find, not just the payloads.
⤷ Title: API Authentication and Authorization: Who Are You, and What Can You Do?
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𐀪 Author: Nisa Nur Başar
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ⴵ Time: Wed, 21 Oct 2026 14:27:27 GMT
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⌗ Tags: #api_security #web_development #authentication #jwt #oauth2
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𐀪 Author: Nisa Nur Başar
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ⴵ Time: Wed, 21 Oct 2026 14:27:27 GMT
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⌗ Tags: #api_security #web_development #authentication #jwt #oauth2
Medium
API Authentication and Authorization: Who Are You, and What Can You Do?
In the previous post, I looked at how REST APIs are designed: addresses, HTTP methods and status codes. But there is a question I haven’t…
⤷ Title: Two clicks to bypass the entire API
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𐀪 Author: X-3306
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ⴵ Time: Wed, 21 Oct 2026 21:49:38 GMT
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⌗ Tags: #bug_bounty #cybersecurity #api #bypass #data_breach
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𐀪 Author: X-3306
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ⴵ Time: Wed, 21 Oct 2026 21:49:38 GMT
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⌗ Tags: #bug_bounty #cybersecurity #api #bypass #data_breach
Medium
Two clicks to bypass the entire API
How a Plain RapidAPI Test Console Exposed a Backend That Never Checked Who Was Asking (BreachDirectory.org)
⤷ Title: Zeabur Shutdown Follows Repeated Data Breaches
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𐀪 Author: Do Son
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ⴵ Time: Thu, 22 Oct 2026 03:52:35 +0000
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⌗ Tags: #Data Leak #API keys #AWS #Cloud Security #Credential Exposure #Data Breach #DevOps #GCP #Zeabur
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𐀪 Author: Do Son
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ⴵ Time: Thu, 22 Oct 2026 03:52:35 +0000
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⌗ Tags: #Data Leak #API keys #AWS #Cloud Security #Credential Exposure #Data Breach #DevOps #GCP #Zeabur
Daily CyberSecurity
Zeabur Shutdown Follows Repeated Data Breaches
Zeabur Will Close Its Hosting Services Developer deployment platform Zeabur will stop its shared cluster and dedicated server services by the end of December 2026. Security problems are the main r…