Pentest • Offensive Security • Web • APIs • Cloud

Penetration Testing andOffensive Securityfor Web, APIs and Cloud

LoPrestiSec helps companies identify and reduce risk across web applications, APIs and cloud environments through manual penetration testing, security analysis and specialized consulting.

Services

Offensive security applied to real-world systems

Technical assessments that uncover exploitable vulnerabilities in applications, APIs and infrastructure.

Web Application Pentest

Security assessment of web applications focused on authentication, authorization, the OWASP Top 10 and business logic flaws.

API Security

Analysis of REST and GraphQL APIs for authentication and authorization flaws, data exposure and endpoint abuse.

Infrastructure Pentest

Assessment of networks, servers and cloud environments focused on exposure, segmentation and critical vulnerabilities.

Code Review

Security-focused code review covering flawed validation, authentication and insecure development patterns.

Threat Modeling

Identification of attack surfaces, threats and risks in critical architectures and systems.

Technical Blog

Technical content and security insights

Articles on penetration testing, APIs, cloud security and modern vulnerabilities.

Featured articleAI Security

AI Agent Security: The Risks of MCP and Autonomous Automation Nobody Is Talking About

AI agents don't just answer questions — they perform real actions on real systems. Understand the security risks specific to autonomous agents, protocols like MCP, and automations with access to external tools.

7/30/2026
12 min read
OWASP Top 10 for LLMs: How to Test the Security of Generative AI Applications
AI Security
13 min read

OWASP Top 10 for LLMs: How to Test the Security of Generative AI Applications

Applications built on top of language models have a different attack surface from traditional web applications. Understand the OWASP Top 10 for LLMs and how a pentest for this kind of application works in practice.

7/29/2026
How Hackers Are Using Artificial Intelligence to Attack Companies
AI Security
10 min read

How Hackers Are Using Artificial Intelligence to Attack Companies

While companies debate the risks of using AI internally, attackers are already using the same technology to make phishing, malware, and social engineering more effective and harder to detect.

7/28/2026
Software Supply Chain Security: The Invisible Risk of Your Vendors
Security Management
10 min read

Software Supply Chain Security: The Invisible Risk of Your Vendors

Your company can have the best internal security and still be compromised through a vendor, an open-source library, or a service provider. Understand the risk in the software supply chain.

7/27/2026
CONTACT

Tell us about your environment and receive an initial security assessment

LoPrestiSec performs manual security assessments focused on web applications, APIs, infrastructure, cloud and code review to identify real-world risks.

Initial response within 24 hours
Preliminary scope with no commitment
Confidentiality and NDA on request
Remote service throughout Brazil
Phone
+55 (15) 99745-2589
Location
Sorocaba • Nationwide service
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