Cybersecurity consulting

Cybersecurity aligned
with your business.

From strategy to architecture. We help your business protect applications, cloud environments and artificial intelligence with security built in from the start.

Explore our services
01 / STRATEGYRisk-informed decisions

Clear priorities for progress.

02 / ARCHITECTUREProtection by design

Controls aligned with your business.

03 / ENGINEERINGSecure delivery

From code to infrastructure.

04 / IMPROVEMENTContinuous improvement

Hands-on technical guidance.

CLOUD SECURITYDEVSECOPSIDENTITY & ACCESSAI SECURITY
Our services

Technical expertise.
Practical application.

Consulting that turns risks into architecture decisions and practical actions. A scope shaped around your environment and objectives.

01 /

Security architecture

Solution reviews, threat modeling and control design to protect applications and integrations from the outset.

Threat modeling · Security by design
02 /

Cloud security

Assessment of AWS and GCP environments, focusing on identity, networking, data protection, configuration and security visibility.

AWS · Google Cloud · Hardening
03 /

DevSecOps and AppSec

Integrating security into development: pipeline reviews, validation criteria and vulnerability prioritization.

SSDLC · CI/CD · API security
04 /

Identity and access

Authentication and authorization architecture, identity federation and least-privilege access for users and services.

IAM · SSO · Zero Trust
05 /

AI security

Assessment of LLM and RAG applications, covering prompt injection, data access, information exposure and traceability.

LLM · RAG · Data protection
06 /

Assessment and roadmap

Identification of risks and gaps, with an improvement plan connecting business impact, effort and implementation priorities.

Assessment · Action plan · Governance
Our approach

From where you are
to what comes next.

Security must work within your operations. Every engagement therefore starts with understanding and ends with actionable guidance.

STEP 01

Understand

We map your environment, objectives and relevant exposures. We agree on scope and deliverables before moving forward.

STEP 02

Design

We connect risks to controls and technical decisions. We document the architecture and a prioritized action plan.

STEP 03

Improve

We support teams in adopting recommendations and validating controls within the agreed scope.

Experience in practice

Case studies

Projects from the professional career of Thiago Silva, the consultancy's technical lead. This experience at the organizations listed informs our consulting work.

Tourism and digital experience · Globant / Red Sea Global

Securing an integrated digital platform on AWS

Context
Work on the Connected Visitor Program, covering the website, mobile applications, APIs, CMS and cloud infrastructure.
Thiago's contribution
Security engineering focused on application protection, identity, cloud controls and integrating security into the development lifecycle.
Deliverables and involvement
Configuration and review of AWS controls, web application protection, coordination of penetration tests and retests, and technical alignment with development, infrastructure and security operations teams.

AWS · AppSec · IAM · SSDLC

Data and information services · LTIMindtree / Equifax

Security architecture for modernization on GCP

Context
Migration from on-premises environments to Google Cloud and application modernization.
Thiago's contribution
Work as a Cybersecurity Architect, supporting architecture decisions and the definition of security controls as the environment evolves.
Focus areas
Data protection, identity management, encryption and private connectivity as part of cloud architecture assessments.

Google Cloud · Architecture · Data protection

Software engineering · Experience at Globant and Unisys

Security embedded in development

Context
International development teams with security needs throughout the software delivery lifecycle.
Thiago's contribution
Security architecture, test leadership, mentoring and promotion of Secure SDLC practices.
Deliverables and involvement
Support for security validation in CI/CD, code and dependency analysis, application testing and vulnerability lifecycle tracking.

DevSecOps · SAST / DAST / SCA · Mentoring

Explore the full career history on Thiago Silva's professional profile and on LinkedIn. These case studies describe his professional involvement and do not represent contracts between these organizations and Lima e Silva Tecnologia.

About the consultancy

Business perspective.
Technical depth.

Lima e Silva Tecnologia provides cybersecurity consulting, connecting strategy, architecture and engineering to support more secure decisions.

We focus on the relationship between applications, infrastructure, identities and data. We work alongside teams to integrate security as technology evolves.

Meet Thiago Silva, the consultancy’s technical lead, and explore his career, cybersecurity experience and articles.

Visit Thiago Silva’s website
Let's talk

What is your company's
next security challenge?

Architecture, cloud, applications or AI. The first step is understanding your situation.

Contact us by email

tlimasilva@uol.com.br

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