BestCura · The human at the center. Technology in the background.DACH · North America
BestCura · Security & Cybersecurity
DIGITAL SECURITY IS PART OF CARE

We do not wait for attacks.

We actively protect BestCura against cyberattacks before an attack can become harm to people, data or institutions.

Patient and resident data, workforce data, confidential documents and institutional information are not ordinary datasets to us. Behind them are people, health, work, dignity and responsibility. That is why we treat cybersecurity with the same seriousness as care, professional responsibility and the protection of people themselves.

CONSTITUTIONAL FREEZE v1.3 · FINALIZED + POST-VERIFIED

65 Layer-0 invariants. 9 mandatory suites. 250/250 tests PASS.

v1.3 extends the append-only freeze with Foundation v4.2 Clinical & Revenue Integrity. CREATE, VERIFY, FINALIZE, Protected Platform Anchor and POST_VERIFY are complete. The finalized state was executed again after finalization.

65Layer-0 invariants
9Mandatory suites
250/250Tests PASS
PASSPost-Freeze Verification

Important: The Protected Platform Anchor is HMAC-SHA256 with a platform-managed key outside the application data layer. It is not an independent external trust anchor. Infrastructure Assurance remains separate and dynamic at 7/24.

Explore Foundation v4.2

BestCura concept visual of the Security Constitution. Current verified state: Constitutional Freeze v1.3.
Concept visual of the freeze architecture. The current machine-readable status is stated in HTML as v1.3.
WHY WE TAKE THIS PATH

For us, protecting data cannot be separated from protecting people.

Cybercrime no longer targets servers alone. It targets institutions, workflows, identities and trust. In healthcare, an attack can affect exceptionally sensitive information and critical operations. That is why security is not an add-on in BestCura. It is part of the system architecture.

Patients & residents

Health, care and life data are treated as especially sensitive information.

Workforce

Identities, roles, personnel information and institutional permissions are protected within the same architecture.

Confidential documents

Internal records, processes and sensitive institutional information are not treated as incidental data.

Care & operations

Security protects more than data. It also protects the integrity of decisions, permissions and system-mediated actions.

VISUAL SEQUENCE · LAYERED DEFENSE

An attack does not meet a single door.

01Shield

Unauthorized access is challenged by identity, session and access controls.

02Contain

Tenant, role and assignment boundaries keep institutional areas separated.

03Authorize

Professional authority and execution rights are resolved separately and in context.

04Revalidate

Before a protected action, current state is checked again at the point of action.

05Evidence

Security-relevant execution and its basis are bound into traceable evidence.

Access is not authorityAuthority is not executionExecution requires current state
EXECUTION-CENTRIC SECURITY ARCHITECTURE

Security does not end at login.

BestCura protects not only who may enter a system. The architecture also constrains which institutional and clinical actions may execute inside a valid context.

Identity→Device trust→Tenant boundary→Session trust→Professional authority→Execution rights→State binding→Point-of-action revalidation→Atomic execution→Evidence
SECURITY PRINCIPLES

BestCura separates concepts that critical systems must never collapse into one another.

01

Access is not authority.

02

Authority is not automatically execution.

03

Previous authorization does not replace current validation.

04

AI is intelligence, not execution authority.

05

Security rules must not silently weaken as BestCura evolves.

AI SECURITY BOUNDARY

AI may understand, structure and assist. It may not create execution authority.

BestCura separates machine intelligence from professional and technical authority. AI can surface information and direct attention. Permission for a protected action does not arise from AI output.

AI maysummarizestructuredetect patternssurface risksprepare proposals
NO DIRECT EXECUTION AUTHORITYdownstream_execution_authority = NONE
Execution requiresprofessional assessmentvalid authoritycurrent statepoint-of-action validation
TESTED SECURITY BOUNDARIES

We actively test our security architecture against attack scenarios.

BestCura does not wait for real attackers to search for boundaries. Critical security and execution boundaries are adversarially tested and preserved as frozen regression evidence.

92 / 92Cybersecurity Contracts

15 adversarial attack classes · DACH + North America · PASS.

40 / 40Integration Red Team

Persistence and integration boundaries · DACH + North America · PASS.

3 / 3Evidence Freshness

Evidence loses validity after material change to the state it proves.

48 / 48Physical Reality

Physical Reality & Semantic Integrity · PASS.

5 / 5Physical Reality Integration

Persistence-based integration verification · PASS.

PASSConstitutional Barrier v1.3

Frozen security and integrity baseline successfully verified.

BESTCURA SECURITY & EVIDENCE CONSTITUTIONAL FREEZE v1.3

The security baseline is frozen and was verified again after finalization.

This makes it possible to verify publicly that the published security evidence references the finalized v1.3 manifest hash.

Finalized2026-09-04 · 08:14:57 UTC
Protected Platform AnchorHMAC-SHA256 · ANCHORED
Post-Freeze Verification2026-09-04 · after finalization · PASS
Constitutional BarrierPASS · v1.3 finalized
FREEZE MANIFEST HASHe3fb1ba3fb63b451c0844626798ea29fc46fad92f271c1ae0467e6f0ec2a8311
PUBLIC CLAIM VALIDATION

Security claims should be verifiable.

BestCura therefore publishes a deliberately reduced machine-readable security artifact. It contains public verification data and cryptographic references only, not operational security details.

BC-SEC-001Cybersecurity Regression: 92/92 PASS.Freeze v1.0
BC-SEC-002Integration Red Team: 40/40 PASS.v1.1 · DACH + North America
BC-SEC-003Evidence Freshness: 3/3 PASS.Freeze v1.0
BC-SEC-004Physical Reality & Semantic Integrity: 48/48 PASS.Foundation v4.1
BC-SEC-005Physical Reality Integration Red Team: 5/5 PASS.Persistence-based integration verification
BC-SEC-006Constitutional Barrier v1.3: PASS.Finalized + post-freeze verified

Public Freeze ReferenceSCF-1789222674647

Post-Freeze VerificationPFV-1789223190073

PUBLIC SECURITY EVIDENCE

Constitutional Freeze v1.3: 250/250 mandatory tests PASS.

The public scope shows results and evidence classes. Operational attack paths, keys and internal security configuration remain protected.

92/92Cybersecurity RegressionMandatory security contracts.
40/40Integration Red TeamIntegration boundaries.
3/3Evidence FreshnessStale/expired evidence does not count.
48/48Physical RealityBinding, terminology, drift, offline.
5/5Physical Reality IntegrationPersistence-based reality paths.
35/35Clinical Revenue ContractsClinical Truth → Revenue boundary.
12/12Clinical Revenue AdversarialLogic/path evidence, intentionally not characterized as full persistence.
15/15Full Pipeline Re-TestStronger end-to-end/persistence evidence class.
65Layer-0 invariants27 inherited + 38 additive, append-only.
CONSTITUTIONAL BARRIERPASS
FINALIZEDPROTECTED PLATFORM ANCHOREDPOST-VERIFIED
v1.3

Public reference: SCF-1789222674647 · Post-Freeze Verification: PFV-1789223190073 · Infrastructure Assurance: 7/24 DYNAMIC and not part of Constitutional PASS.

QUESTIONS ABOUT BESTCURA SECURITY

What institutions and technical decision-makers should know.

Why is cybersecurity part of care for BestCura?

Because protecting sensitive patient, resident, workforce and institutional data is directly connected to protecting people, care delivery and institutional trust.

How does BestCura protect against cyberattacks?

BestCura combines access protection with tenant boundaries, professional authority, execution rights, state binding and point-of-action revalidation before protected actions.

Which security evidence does BestCura publish?

Public evidence includes passed cybersecurity, integration, evidence-freshness and Physical Reality verification plus Constitutional Freeze v1.3 and its post-freeze verification. Operational security details remain protected.

Can the published security evidence be machine-verified?

Yes. BestCura provides a deliberately reduced JSON containing public status and hash references.

People entrust healthcare institutions with things that cannot be replaced.

Their health. Their history. Their identity. Their work. Their documents. Their trust. That is why we do not treat digital security as a technical side issue.

We do not wait for attacks. We confront them before they happen.
LAYERED PROTECTION

Security does not end at login.

BestCura protects more than access. Protected actions pass through multiple distinct control layers before access can become permitted execution.

Public security representation without operational configuration, key material or internal attack paths.