Protect your websites and apps
- Visitors
- Filter attacks
- Your site
ALT-F1 configures and monitors the agreed protection with Thales Imperva.
Cybersecurity and sovereign IT · Brussels, since 2010
Cybersecurity and business software for your organisation.
Protect your devices and websites, build the applications you need, and choose where your AI, files and code run. For SMEs and larger organisations.
- Download the leaflet (PDF)English · 2 pages · A4
- Download the service guide (PDF)English · 8 pages · A4 landscape
The seven services at a glance
Choose a service from the wheel or the list. Each short description explains what it does.
- Device ShieldProtect your computers, phones and office network.
- Web App ShieldFilter attacks on your websites and online shops.
- Custom SoftwareBuild and maintain software for your business.
- Private AIAI models reserved for your company.
- Sovereign StorageBack up and restore your files in Belgium.
- Sovereign CodeHost your source code and control access.
- WorkshopsTrain your team to use and secure your systems.
Choose the services you need
Seven services cover device protection, websites, software, local AI, file storage, source code and team training. Choose a name below to open its page.
Protect
what the world reaches, and where your people work
Sovereign
AI, files and code that stay in Europe
Build
the software your business runs on, built for you
Combine services around your organisation’s needs. Use the wheel or the service names to explore coverage, operation and training. We agree the scope and hosting arrangements for your setup.
Our partnerships
Specialist partners for website protection and storage hosted in Belgium.
Keep your files in Belgium
- Your files
- Belgium
ALT-F1 resells Optimal AI storage. Planned launch: 1 February 2027.
Security rules and standards
Explore the relevant duties, standards and official references. Services support particular controls and records; they do not replace your organisation’s wider responsibilities.
- NIS2Cybersecurity duties for organisations within the applicable scope, including management responsibility, risk measures and significant-incident reporting.
- GDPRRules for using and protecting information about identifiable people.
- DORADigital operational resilience requirements for covered financial entities.
- CyberFundamentalsA practical framework for selecting and assessing cybersecurity measures.
- ISO/IEC 27001 · 2700227001 sets requirements for managing information security. 27002 provides guidance on security controls.
- AI ActRisk-based duties for organisations that provide or use AI systems.
- Cyber Resilience ActCybersecurity duties for covered products with digital elements.
Applications built by ALT-F1
Ten applications we built and still run for clients — from speech-to-intent to facility management. Custom Software is the same team and the same pipeline.
- PolyDocsControl an application using voice commands.
- Video-To-ChapterTurn a recorded meeting or course into searchable summaries.
- Facility ManagementPlan, validate and follow work on site.
- Digital offers & policiesPrepare and sign offers and policies, with a digital payment flow.
- The AcceleratorCollect and analyse public web information for business and research teams.
- Broadcast & SIP SecureRun broadcast workflows and protect internet voice, video and messaging.
- ConnectivoManage customer conversations and automated replies across messaging channels.
- StratExTrack programmes, projects, contracts and board reports together.
- Cloud migrationPlan the move of applications to a suitable hosting setup.
- IT Service ManagementOrganise support requests, incidents and changes with an inventory of systems.
Explore security topics
Choose one of 29 topics to see what it means, what you can do and which services can help.
Protect
- BACKUPBack up files and test recoveryServices that can help: Sovereign Storage
- WEBProtect websites and shopsServices that can help: Web App Shield
- DEVICEProtect work devicesServices that can help: Device Shield
- ACCESSControl sign-ins and accessServices that can help: Device Shield
- EMAILProtect business emailServices that can help: Device Shield · Workshops
Detect
- VULNFind and prioritise weaknessesServices that can help: Web App Shield · Custom Software
- LOGSKeep useful security recordsServices that can help: Device Shield · Web App Shield
- ALERTSMonitor alerts and respondServices that can help: Device Shield · Web App Shield
- ATTACKSUse information about attacksServices that can help: Web App Shield · Device Shield
Respond
- COMMUNICATECommunicate during an incidentServices that can help: Workshops
- INVESTIGATEInvestigate a security incidentServices that can help: Device Shield · Web App Shield
- INSURANCEPrepare for cyber insuranceServices that can help: Device Shield · Workshops
- RESPONSEPrepare your incident responseServices that can help: Device Shield · Web App Shield · Workshops
Govern
- TRAININGRecognise and report attacksServices that can help: Workshops
- AIRules for using artificial intelligence at workServices that can help: Private AI · Workshops
- NIS2Cybersecurity rules for organisations (NIS2)Services that can help: Device Shield · Web App Shield · Workshops
- DORADigital resilience in financeServices that can help: Web App Shield · Device Shield
- GDPRProtect personal informationServices that can help: Sovereign Storage · Private AI · Web App Shield
- RULESWrite usable security rulesServices that can help: Workshops · Sovereign Code
Build
- SOFTWAREBuild software securelyServices that can help: Custom Software · Sovereign Code
- CODEProtect code and access keysServices that can help: Sovereign Code
- NETWORKProtect office networksServices that can help: Device Shield
- CLOUDSecure cloud accounts and storageServices that can help: Sovereign Storage · Private AI · Custom Software
- CRASecurity of software productsServices that can help: Custom Software · Sovereign Code · Workshops
- TESTTest security with permissionServices that can help: Web App Shield · Custom Software
Threats
- RANSOMPrepare for ransomwareServices that can help: Device Shield · Sovereign Storage
- PHISHINGRecognise fraudulent messagesServices that can help: Device Shield · Workshops
- INSIDERReduce internal access risksServices that can help: Sovereign Code · Device Shield
- DDoSTraffic floods and harmful botsServices that can help: Web App Shield
Client experience
Sixteen years of software delivered and supported for public administrations, broadcasters, banks, insurers and industry — in Belgium and across Europe.
Click a sector to see who.
Seven days under attack.
Real figures, not a demo. This is what hit one public website we protect with Web App Shield, 23 → 30 October 2026. Every request counted below was stopped before it reached the server.
- 2,643malicious requests
- 301source addresses
- 29countries
- 0incidents
- 362Fri 23
- 108Sat 24
- 377Sun 25
- 280Mon 26
- 632Tue 27
- 393Wed 28
- 322Thu 29
- 169Fri 30
- 665United States
- 368Lithuania
- 260Israel
- 242Spain
- 230Italy
- 213Chile
- 178Bulgaria
- 138Belgium
- 1,329.env secrets
- 507The application
- 148PHP
- 103WordPress
- 84Git repository
- 83Cloud credentials
These figures describe requests classified and blocked in the stated period. They do not establish that every possible attack was detected or predict another site’s results.
Watch the film The same seven-day report for your own site →
The films
Three silent films, everything written on screen, paced for reading. In English, French and Dutch.
Sovereign Stack
Seven days under attack
Custom SoftwareGet help with a suspected incident
Call +32 471 596 352. Unplug the machine from the network but keep it switched on; stop using the compromised accounts; write down what you saw and when; do not pay anyone yet. The 72-hour GDPR clock and the 24-hour NIS2 early-warning clock have started. We help whether or not you are a customer.
Discuss your requirements
Ask about one service or a combination. We reply within one working day.