Certificate requirements
Identify service names, public or private trust, validation level, cryptographic requirements, server platforms, client compatibility and renewal expectations.
Protect connections with managed certificate lifecycle
SSL Certificates & TLS Planning
Select, validate, install and renew digital certificates for HTTPS and other supported TLS services with clear inventory and ownership.
Connected IT
Cloud
Security
Infrastructure
Workplace
Where the work begins
Build the decision around the business requirement.
The familiar term ‘SSL certificate’ generally refers today to a digital certificate used with Transport Layer Security (TLS). Certificates help a client authenticate a service name and establish encrypted connections such as HTTPS. Atmic helps organisations choose an appropriate validation and scope, complete domain-control steps, configure certificate chains and TLS settings, and plan renewal. A certificate protects a connection; it does not remove application vulnerabilities, malware, weak access control or every website threat.
Problems we help address
Clarity before configuration.
Certificates are requested reactively, with no complete inventory of domains, services, owners, expiry dates or renewal dependencies.
A service presents an expired, mismatched or incomplete certificate chain and users see trust warnings or integration failures.
Wildcard or multi-domain certificates are selected without considering key exposure, ownership boundaries or service isolation.
Renewal relies on one person, a manual calendar entry or a validation contact that no longer exists.
Teams describe HTTPS as complete website security and overlook application, identity, hosting and patching risks.
Scope and capabilities
What a well-scoped engagement can include.
Final scope depends on the environment, priorities, product entitlements and agreed responsibilities.
Domain validation planning
Coordinate approved DNS, HTTP or email-based domain-control validation and identify who can change the relevant domain or web records.
Certificate selection
Compare single-name, multi-domain and wildcard scope; consider organisation validation needs, deployment count, private-key exposure and automation support.
Installation and chain
Create or review certificate requests, protect private keys, install the issued certificate and intermediate chain, bind services and test the presented identity.
HTTPS and TLS configuration
Review redirects, hostnames, supported protocol versions, cipher policy, mixed content and dependent services within platform and compatibility limits.
Inventory and renewal
Record certificates, names, owners, locations, issuers, expiry, validation method and renewal procedure; enable supported automation and expiry monitoring.
Potential business benefits
Designed for usefulness after handover.
Trusted encrypted connections for correctly named and configured services.
Fewer avoidable outages caused by unknown expiry or incomplete renewal steps.
Clear ownership of domain validation, private keys and deployment locations.
Certificate scope chosen with operational and security trade-offs visible.
A maintainable inventory that supports consolidation and automation decisions.
Practical use cases
Enable HTTPS for a business service
Confirm names and hosting, complete domain validation, install the full chain, redirect HTTP where appropriate and test browser and integration behaviour.
Replace an expiring certificate
Locate every deployment, confirm the current private-key and chain requirements, renew or reissue, install safely and verify before the old certificate expires.
Create a certificate inventory
Discover known public and internal service certificates, assign owners, flag unsupported algorithms or near-term expiry and document renewal methods.
Assessment and implementation
A controlled route from current state to usable outcome.
Each stage establishes evidence for the next decision. The sequence is adjusted to suit risk, dependencies and change windows.
Discover services and names
List URLs, APIs, load balancers, gateways and other TLS services; confirm ownership, clients, public exposure and current certificate state.
Choose trust and scope
Select public or private certificate authority, validation approach and name coverage with private-key, compatibility and renewal implications.
Issue and install
Generate or validate the request and key securely, complete authorised validation, install certificate and chain, and bind each intended service.
Test configuration
Verify hostname, chain, protocol, redirect, browser, application and integration behaviour without claiming that encryption validates application security.
Handover lifecycle
Record inventory, owner, expiry monitoring, renewal runbook, automation status, emergency replacement and revocation considerations.
Typical deliverables
Artifacts your team can use.
- Service-name, platform and certificate requirements record.
- Certificate type and validation recommendation.
- Installation and certificate-chain configuration record.
- HTTPS/TLS validation results and identified compatibility constraints.
- Certificate inventory with owner, location and expiry.
- Renewal, reissue and emergency-replacement runbook.
Planning considerations
Dependencies to surface early.
- Certificate-authority products, validation requirements and maximum validity periods can change and must be checked at order time.
- Private keys require restricted access, secure storage, backup or hardware protection appropriate to the service.
- Wildcard certificates simplify some deployments but broaden the impact of key compromise and may cross ownership boundaries.
- Legacy clients can constrain TLS settings; compatibility choices should be documented rather than silently weakening policy.
- A certificate does not patch the application, prevent credential theft or protect an already compromised server.
- Automated renewal is useful only when deployment, reload, monitoring and failure alerts are also tested.
Frequently asked questions
Useful questions before you begin.
Are SSL and TLS the same thing?
SSL is the older protocol name commonly retained in phrases such as ‘SSL certificate’. Modern secure connections should use supported TLS versions. The certificate provides identity information and a public key used in the TLS process.
Does an HTTPS certificate make a website secure?
It protects data in transit and helps clients authenticate the intended hostname when configured correctly. It does not remove software vulnerabilities, insecure code, weak passwords, malware or other website risks.
Should we use a wildcard certificate?
It may simplify coverage for subdomains, but it also places more services behind one private key and one lifecycle. Ownership, key storage, service isolation and automation should be evaluated before choosing it.
What causes certificate warnings?
Common causes include expiry, hostname mismatch, missing intermediate certificates, an untrusted issuer, incorrect device time, interception or a service presenting the wrong certificate. The exact error should be diagnosed rather than bypassed.
Can renewal be fully automated?
Many platforms support automated issuance and renewal, but validation, private-key handling, deployment, service reload and failure monitoring still need compatible tooling, permissions and tests.
SSL Certificates & TLS Planning
Turn the requirement into a practical plan.
Share the current environment, desired outcome and timeline. We’ll help define the right next conversation.