Articles.

3 new vectors arrived with AI in production — a senior squad addresses them from day 1

Security in AI environments: prompt injection, data leakage, and supply chain

3 new vectors arrived in 2025 with AI products: prompt injection, context leakage, and model supply chain. A senior squad treats them as platform decisions from day 1. See the 3 vectors and the right controls.

Mar 27

7min read

Victhor Araújo

SOC 2 in year 1 is almost always misspent time and money — a senior squad says when to wait

Premature compliance: why year-1 startups should not pursue SOC 2 (and when they should)

Did an investor or enterprise client ask for SOC 2 and the startup is about to spend 6 months + USD 100k? In year 1, it is almost always the wrong call. See the 4 criteria a senior squad uses to decide when it actually fits — and what to do instead.

Mar 13

6min read

Victhor Araújo

Configured backup is not enough — without quarterly testing it is operational fiction

An untested backup is not a backup: the quarterly validation protocol

Most companies have backup configured. Almost none tested it in the last year. When the incident hits, they find out the backup was broken, incomplete, or impossible to restore. See the 4-step protocol senior squads run quarterly.

Apr 24

6min read

Victhor Araújo

SMS-based MFA gives a false sense of security — senior squads remove it on day 1

Why SMS-based MFA is worse than no MFA (and what senior squads configure in 30 min)

SMS-based MFA gives a false sense of security and opens the door to SIM swap attacks. In 2026, this attack is routine — and the alternative costs zero dollars. Here is why senior squads remove SMS from day 1.

Oct 10

5min read

Victhor Araújo

8 steps a senior squad applies to GitHub on day 1 — cover 90% of risk

How to configure GitHub the right way: 8-step checklist

A misconfigured GitHub is the most common incident door in SMBs. 8 steps a senior squad applies on day 1 cover 90% of the risk. See the full checklist — and why this setup is shipped free with every Revin squad.

Jan 23

6min read

Victhor Araújo

SMB security baseline starts with 12 controls nobody has configured yet

The security baseline SMBs ignore until they get hacked — a 12-item checklist

90% of SMBs that suffered a security incident in 2026 had fewer than 8 of these 12 items in place. Here is the minimum viable security baseline for an SMB — no jargon, with deadline and priority.

Sep 12

8min read

Victhor Araújo

LGPD does not fit in a policy PDF — it fits in architectural decisions

LGPD is not compliance, it is architecture — why 80% of Brazilian startups will get burned in 2026

LGPD entered the conversation as a compliance item, but real compliance depends on architectural decisions nobody made early. In 2026, Brazil’s ANPD starts enforcing sanctions more aggressively — and most startups will find out too late.

Sep 19

7min read

Victhor Araújo

Threat modeling in 1 hour covers 80% of real vectors — no need to hire a security engineer

Threat modeling in 1 hour: the method senior squads use for teams without a security engineer

Threat modeling sounds like enterprise stuff with dedicated security teams. It isn’t. A senior squad runs it in 1 hour with 4 questions — covering 80% of real vectors. Revin delivers this by default in the Diagnostic Sprint.

Dec 26

6min read

Victhor Araújo

Every SaaS added without audit is one more door — a senior squad governs shadow IT by default

The 5 third-party SaaS nobody audits (and that become attack doors)

Devs and ops add SaaS fast. IT never audits. When someone leaves, the access stays. In 2026, these 5 SaaS are the preferred attack door in SMBs. See which ones and how a senior squad governs shadow IT by default.

Nov 7

6min read

Victhor Araújo