Custodian360

Custodian360 Enhance resilience and reduce risks with Custodian360’s fully managed IT and cybersecurity services, powered by our UK-based SOC.

Tailored global solutions, from assessments to virtual CISO expertise, built for you

Cyber Essentials or ISO 27001? We help UK SMEs choose the right cyber security.
18/10/2026

Cyber Essentials or ISO 27001? We help UK SMEs choose the right cyber security.

Many UK SMEs overlook critical Microsoft 365 security gaps. Are you one of them?
17/10/2026

Many UK SMEs overlook critical Microsoft 365 security gaps. Are you one of them?

If your business uses ConnectWise Cloud Backup, directly or through an IT provider, please check the latest update and s...
17/10/2026

If your business uses ConnectWise Cloud Backup, directly or through an IT provider, please check the latest update and speak with the team responsible for your backups.
ConnectWise has confirmed unauthorised access to application identities within its Cloud Backup environment. It is shutting off application access as a protective measure, interrupting backup services until further notice.
As of its 06:11 BST update on 17 October, ConnectWise reports no indicators that partner backup data has been compromised. It says existing backup archives are unaffected by the interruption and will be accessible once services are restored. The investigation remains ongoing.
For business owners, our advice is to ask your IT provider to confirm whether you are affected, when your last successful backup completed and what the interruption means for your recovery arrangements. Make sure someone is responsible for tracking updates and confirming that backups resume successfully.
For technical teams, ConnectWise directs checks to Microsoft Entra’s Service principal sign-ins, rather than the default User sign-ins tab, using application ID:
506e08f9-6e9a-4da4-942b-a099a03644ae
It identifies 144.172.64.128 as a suspicious source IP. A matching indicator warrants investigation; it does not, by itself, confirm compromise.
Preserve relevant logs, review unusual application activity and permission changes, and follow the latest vendor guidance as the investigation develops.
There is an important distinction between an existing backup archive being intact and new backups continuing to run. Businesses need to understand both, particularly if the interruption continues.
Please give the teams investigating this room to do their work. Share verified information, explain the practical impact to your customers and be clear about what remains unknown.
Official updates: https://lnkd.in/eB5U6Mnd
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While Cyber Essentials is a vital baseline, it is not a complete security strategy. A certificate confirms compliance, b...
16/10/2026

While Cyber Essentials is a vital baseline, it is not a complete security strategy. A certificate confirms compliance, but true protection requires proactive, human-led defence against evolving threats.

15/10/2026

Help Nikki Webb raise money to support The Cyber Helpline

Cyber security concerns can keep anyone up at night. We're here to understand those challenges and provide enterprise-le...
15/10/2026

Cyber security concerns can keep anyone up at night. We're here to understand those challenges and provide enterprise-level protection without the complexity. Share your thoughts.

15/10/2026

When a cyber threat emerges in the quiet hours, every minute counts. Our UK-based Security Operations Centre is on watch, delivering rapid, human-led response when you need it most. We ensure your business is protected around the clock, without the enterprise complexity.

Unsure which cyber certification is right for your UK business? We can help.
15/10/2026

Unsure which cyber certification is right for your UK business? We can help.

14/10/2026

Drowning in security alerts? Many businesses are. We cut through the noise to deliver only critical threats, ensuring you never miss what truly matters.

12/10/2026

Our latest video reveals the crucial red flags to spot in phishing attempts. Learn how Custodian360's human-led threat detection keeps your business secure, without the enterprise complexity.

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