Guides
Our guides to help you make informed decisions
Objective comparisons, written for business leaders who are not IT specialists. Every figure is sourced at the bottom of the page; our advice is clearly marked as such. New guides are added regularly, organised by topic.
Four categories: Cybersecurity · Compliance · Managed IT services · Architectures
Cybersecurity
Responding to an attack, having your systems audited, protecting your email and accounts.
Ransomware: the first hours
Isolate, delete nothing, do not pay, preserve the evidence, report it to the police.
Audit, scan or penetration test
The ANSSI definitions and what the report should contain.
SPF, DKIM and DMARC
Stop your domain being spoofed and make sure your emails get through.
Administrator accounts and two-factor authentication
The ANSSI and CNIL rules for an SME.
Compliance
The obligations on the way, and what your business partners are asking you for.
E-invoicing
Receive from September 2026, issue from September 2027 for SMEs.
NIS 2: does it apply to me?
Sectors, thresholds, exceptions and the state of French law.
Cyber insurance questionnaire
What insurers ask for, and who should answer.
Managed IT services
Choosing and changing provider, upgrading your IT estate and tools.
Choosing a managed IT provider
The questions to ask before you sign.
Changing IT provider
Access, domain names, email, documentation.
End-of-support systems
Workstations and servers, Windows and Linux: update, migrate or isolate.
Renewing, financing or having your IT equipment taken back
The possible routes and the company's obligations.
Microsoft 365 and Google Workspace
What the recycle bin recovers, and what it erases.
Architectures
Hosting, moving and extending the life of your servers.
Where should you host your servers?
Physical, virtualised, private cloud, AWS or Azure.
Migrating your servers
From one machine, host or country to another.
Keeping an obsolete system
Risks, options and good practice.
Acceptable downtime and data loss
A management decision, and its effect on your servers.
Backup: why it is vital
Five questions, and when to hand over.
Backup and restoration: the reference site is WeDoBack
Backup, restoration and business recovery are WeDoBack’s core business, which it operates for our clients. Its guides are the reference on these topics:
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