---
title: Blog | Alchemy Security Consulting | Phil
description: Explore key insights on offensive and defensive security topics, including OSINT for penetration testers and risks posed by local administrators, from Alchemy Security's latest articles.
---

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**University of Sydney Code Library Breach:** Disclosed 18 Dec, 2025

Personal details of about 27,500 current and former staff exposed.

18 Dec 2025 - Syd Uni breached

[Read more](https://www.sydney.edu.au/news-opinion/news/2025/12/18/notification-of-cyber-and-data-breach.html)

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[Blog](https://www.alchemysec.com.au/blog)

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  [Offensive Security](https://www.alchemysec.com.au/services/offensive) [Penetration Testing](https://www.alchemysec.com.au/services/offensive/pentest) [Red Teaming](https://www.alchemysec.com.au/services/offensive/red-teaming) [Adversary Simulation](https://www.alchemysec.com.au/services/offensive/adversary-simulation) [Purple Teaming](https://www.alchemysec.com.au/services/offensive/purple-teaming)
- Defensive Security
  
  [Defensive Security](https://www.alchemysec.com.au/services/defensive) [Incident Response](https://www.alchemysec.com.au/breached) [SIEM, Logging & Detection Engineering](https://www.alchemysec.com.au/services/defensive/siem-logging)
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  [Managed Services](https://www.alchemysec.com.au/services/managed) [Managed Detection & Response](https://www.alchemysec.com.au/services/managed/mdr) [Managed SOC](https://www.alchemysec.com.au/services/managed/soc) [Continuous Threat Emulation](https://www.alchemysec.com.au/services/managed/continuous-threat-emulation)
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[Have you been breached?](https://www.alchemysec.com.au/breached) [Book a consult](https://www.alchemysec.com.au/contact)

---

![Alchemy Security Consulting](https://www.alchemysec.com.au/hubfs/Images/Logos/Alchemy/Alchemy_Security_Consulting_Logo_B2_Cropped_White_350.png)

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- [Purple Teaming](https://www.alchemysec.com.au/services/offensive/purple-teaming)
- [Incident Response](https://www.alchemysec.com.au/breached)
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#### Company

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