Cyber Security
5 min read
SharePoint ToolShell (CVE-2025-53770): patch, rotate keys, then hunt
How the July 2025 ToolShell attacks on on-premises SharePoint worked, who is affected, and why patching alone does not remove the attacker.
Cyber Security in Perth
A 24/7 security operations centre watching your environment year-round, with security practices aligned to Essential Eight and NIST.
What's included
- 24/7 SOC
- SecOps
- SIEM monitoring
- Managed detection and response
- Incident response
- Vulnerability scanning
An example of how it works
How we stop an attack
- 1
Harden
Before anyone tries the door.
Your systems are kept patched and set up to Essential Eight, and vulnerability scanning finds weak spots before an attacker does.
- 2
Watch
A phishing email gets through, and a password is stolen.
Every sign-in and device is logged to our SIEM, and our 24/7 security operations centre is watching.
- 3
Detect
Someone signs in as your staff member from an unusual place.
Managed detection and response flags it.
- 4
Respond
Contained.
We lock the account, cut the attacker off, and our incident response team checks what they touched and gets your people working again.
Post-incident review
- Account locked and sessions signed out
- Attacker cut off from your systems
- Staff member contacted and password reset
- Activity checked for anything touched
- Report and recommendations sent to you
What our clients say
Geidi is so much more than just our 'IT Support'. With a proactive approach to our IT needs combined with their expertise across a number of fields they have become an integral part of our team. I am happy to share credit with them for our business success and quite simply with Geidi they deliver what they promise, on time and on budget.
Questions about Cyber Security
What cyber security services does Geidi offer?
A 24/7 security operations centre watching your environment year-round, with security practices aligned to Essential Eight and NIST.
How does Geidi start a new engagement?
Our approach is process-first. We start by understanding how your company's processes actually run, then choose the technology to support them. We work with organisations of 5 to 1,000 staff, Perth-based and Australia wide. A staged method with review gates and support. Risk is managed at every stage.
What happens after I get in touch?
Based on our initial contact with you about your operations, we listen, analyse and review your needs. If there is a fit, we then work with you to identify a low-risk first step to begin our journey with you.
Guides on Cyber Security
All guides on Cyber Security- Cyber Security
7 min read
Hit by a cyber attack in WA? Who to call and what to do first
A first-hours guide for Perth and WA organisations hit by ransomware, a hacked mailbox or a scam: what to do first, and who to report it to.
- Cyber Security
6 min read
Infostealers and stolen session cookies: why MFA didn't stop it
How infostealer malware such as Lumma steals browser passwords and session cookies, why MFA doesn't stop a stolen session, and the settings that do.
Related services
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One partner for the whole environment.
Tell us about your existing IT. We would be pleased to review your current system and give you an overview as to how Geidi may be able to deliver and enhance your IT operations.
