01connection
Connection
How a user connects to the application and which rules the browser receives.
- HTTPS and redirects
- Security headers
- Settings matched to the application
SKICODE / CYBERSECURITY
APPLICATIONS / DATA / FILE UPLOADS
Security for your application.
Data access, user roles, forms and uploaded files. I help organise a web application’s basic safeguards, identify priorities and implement agreed improvements.
Work directly with Jakub MarcinkowskiGDAŃSK / REMOTE
How a user connects to the application and which rules the browser receives.
Illustrative model. Select a layer to explore its role.
GOOD FOUNDATIONS. CONSIDERED CHANGES.
- 01A defined scope
- 02Basic improvements
- 03Follow-up checks
THE SCOPE
Four areas. One application.
We consider the features your team uses: sign-in, data access, forms and files. The scope depends on the technology and how your business works.
See the approach in practice02access
Access
Which data and operations the application makes available to each user.
- Roles and data access
- Sign-in and account protection
- Server-side permission checks
03forms
Data and files
How the application accepts forms and attachments, and who can use them.
- Server-side input validation
- Allowed file types and sizes
- File access and storage rules
04configuration
Configuration
How the application, its dependencies and confidential settings are maintained.
- Secrets outside browser code
- Dependencies and an update plan
- Backup and restoration arrangements
The scope covers basic safeguards for selected web application features and agreed improvements. Work is limited to systems for which the owner has granted appropriate permission.
FROM OBSERVATION TO IMPROVEMENT
Security is in the details.
An example of describing an observation so a product owner and developer can decide what to do next.
ILLUSTRATIVE DIAGRAM01 / 03
Rules sent to the browser.
EX-01 / FIELD NOTE
Browser rules matter too.
- 01Why it matters
- A missing header may mean an extra restriction is absent. It does not establish that the application is vulnerable.
- 02Improvement direction
- Match headers to the technology and its integrations. Plan and test a CSP policy so required features continue to work.
- 03How to verify the change
- Confirm headers in the application’s responses, then check forms, scripts and embedded content after the change.
THE WORK AND THE HANDOVER
Know what has changed.
We agree on the deliverables before starting. You receive observations about selected application features and a record of the changes made.
How we work
- 01
Agree on the scope
You describe the application, its users and technology. We select areas to check, confirm permission and establish how to work.
- 02
Select improvements
We discuss the starting point and priorities. Changes and a rollback approach are agreed before implementation.
- 03
Check the result
We check the agreed settings and affected features after implementation. You receive a record of changes and next recommendations.
What you take away
Starting-point overview
What was checked, which settings are available and which questions need further assessment.
A list of priorities
Proposed basic improvements, their intended purpose and relevant dependencies.
Agreed improvements
Selected changes implemented after confirming the scope and the application and environment capabilities.
Follow-up checks
Confirmation of the settings and affected features, with brief maintenance recommendations.
PACKAGE / APPLICATION HARDENING
Let’s start with your application.
Scope, price and timing are confirmed before work begins.
BEFORE THE FIRST CONVERSATION
Clear terms. Clear answers.
We establish what I can improve, how it will be checked and what ongoing maintenance involves.
01Where can we start?
With an application overview and an area such as user roles, data access, forms, files or configuration. We first establish which basic improvements I can implement in your technology.
02How can risks from uploaded files be reduced?
We can define allowed file types and sizes, storage arrangements and access rules. These controls do not detect malware. If antivirus scanning is required, the feasibility of integrating an external solution is scoped separately; no scanner guarantees detection of every threat.
03Is this a full audit or penetration test?
This is a review of basic safeguards for selected application features and agreed improvements. It does not replace a specialist security audit or penetration test. More advanced needs require separate consideration of scope and expertise.
04Will the application be completely secure afterwards?
Basic settings cannot provide that guarantee. We check the agreed area and implemented improvements; updates, access reviews and application maintenance need continued attention.
05Can updates and backups be included?
They can be part of an agreed scope, depending on the technology and environment capabilities. We first establish update compatibility, available backups and how to restore data and application operation.
06How are price and timing agreed?
After defining the application, area to check and selected improvements. Scope, price and arrangements for materials and access are confirmed before starting.
POINTS OF REFERENCE
Public guidance helps structure security requirements and discussions. Referencing it does not imply certification or a claim of complete compliance.
YOUR APPLICATION / NEXT STEP
Start with what you need to protect.
Describe your application, its users and what you want to improve: data access, forms, uploaded files or configuration. I’ll follow up with questions and a proposed scope.
j.marcinkowski@skicode.plJAKUB MARCINKOWSKI / SKICODEGDAŃSK, POLSKA · REMOTE