All content
Browse all articles and insights from the TrueScreen blog
Articles

Digital signature used without the holder’s knowledge: what verification actually proves
Verificar uma assinatura digital confirma um certificado válido e um arquivo intacto, não quem estava com o dispositivo. Onde recai o ônus da prova em um...

Authentic photos, false context: the fake no detector can find
Imagens fora de contexto são autênticas, então nenhuma análise de arquivo as sinaliza. A manipulação está no quando e no onde, não dentro da foto.

Pharmaceutical serialisation: what the Data Matrix code proves and what it does not
A serialização prova que uma embalagem está registrada como autêntica. Não prova quem a recebeu, como foi armazenada nem como circulou.

Labeling AI content made for a client: who has to disclose it
Quem gera conteúdo com IA é o responsável pela implantação segundo o AI Act e continua obrigado a declará-lo, mesmo quando o cliente publica e o...

Fake surety bonds: how to verify a guarantee and prove what you received
Apólices de garantia falsas circulam em papel timbrado de seguradoras reais: como verificar o emissor nos registros de supervisão e guardar prova do que você recebeu.

Digital evidence in estate litigation: what survives a challenge
Nas disputas de herança, a prova digital é atacada na autenticidade antes do mérito. O que certificar no momento da captura muda de verdade.

Event data recorder: what vehicle data is worth when a crash is disputed
Event data recorder data is admissible in the EU but carries no presumption of accuracy: what decides its weight is how it was acquired and...

How AI assistants choose their sources: verifiability as the new currency of trust
Query fan-out, retrieval and final selection: the criteria generative engines use to decide which sources to cite, and why verifiability now decides.

Data breach notification: what you must be able to prove
A data breach notification requires evidence: detection time, scope, decisions and measures taken. What holds up when the regulator asks.

The Claude Text Watermark: What It Proves and What It Cannot
Claude's AI watermark marks generated text from 2 August 2026. How the signal works, what the AI Act requires, and why rewriting erases it.

Hidden defects in a used car: how to prove its condition at handover
Hidden defects in a used car become a dispute over evidence. How to document vehicle condition at handover with certified, time-stamped photos and video.

AI Slop: Why a Web Flooded With Synthetic Content Rewards Verifiable Sources
AI slop is low-quality synthetic content produced at scale. Detection scales poorly and the AI Act labels the artificial without proving the authentic.

Digital product passport: certified supply chain data under the ESPR
The ESPR introduces the digital product passport. What data it requires, from the battery passport in 2027, and how to certify supply chain evidence.

Plant logbook and maintenance records: the data provenance that holds up in an audit
Maintenance records written after the fact carry little weight. What makes each entry datable, located and verifiable by a third party.

CCTV footage as evidence: from system export to certification
Exported CCTV recordings lose date, continuity and quality. How certifying the export fixes camera ID, system time and file integrity.

ISO 21043: The Forensic Sciences Standard and Digital Evidence
ISO 21043 sets requirements for the forensic process from scene to courtroom. Where it applies, how it relates to ISO/IEC 27037 and what changed in...

ISO/IEC 17025 and laboratory data integrity: from measurement to test report
ISO/IEC 17025 is still the 2017 edition, and it already asks for control of information. What that means for measurement data and test reports.

ISO/IEC 17020:2026: what changes for inspection evidence
ISO/IEC 17020:2026 strengthens control of data and information. What changed, when 2012 accreditations expire, and how to defend field evidence.

Phishing and clone sites: capturing the evidence before the page disappears
Phishing evidence disappears within hours. How to capture and certify a clone site while it is live so the proof holds after the domain is...

The limits of the EU AI Act: what transparency cannot guarantee
The EU AI Act limits stop at the perimeter: who is bound, why markers break, and what it takes to prove content is authentic.
Análises

Challenging the authenticity of an electronic document: what actually shifts the burden

Education Verification in Hiring: What a Registry Check Cannot Prove
Move-out inspection report: how to prove rental damage

Vacation rental scams: certify the listing, chat and payments before they vanish

Unauthorized account access: what to document before you reset credentials

Forensic Capture of Password-Protected Web Pages: Portals and Private Areas

Submitting video evidence to police: what to hand over and in what format

WhatsApp voice notes as court evidence: legal value and how to certify audio messages

Advanced electronic signature with national eID: legal value for businesses and professionals

Certified email formal demand: evidentiary value and common challenges

AI liability insurance: why data certification is a prerequisite for coverage

eIDAS 2.0 Timestamp Requirements: What Changes for QTSPs and Businesses

Graphometric signature in 2026: is it still valid in court and when is it worth adopting

Remote onboarding for foreign customers: proving identity with legal value without a national eID

Post-loss property damage documentation: the photo evidence that prevents insurance disputes

Certified security patrols: from the sign-in sheet to defensible proof

Certifying digital evidence in online public tenders: what to capture and how

Mobbing and workplace harassment: how to collect digital evidence with legal value

GCP ICH E6(R3): digital evidence in decentralized clinical trials

