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Viktor S.
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Viktor S.

Penetration Tester | Cybersecurity Expert | Ethical Hacker |

Hi there 👋 I'm Viktor, a penetration tester and cybersecurity consultant with 8 years of experience. I help clients find and fix vulnerabilities before attackers do, across web apps, APIs, cloud, and internal networks, and get them audit-ready for SOC 2, ISO 27001, and PCI DSS. I have been recognized as a Top Rated Plus with a 100% job success score across 50+ projects. Take a look at my full profile to discover how I've helped clients secure their products and meet business goals by leveraging security. If you're looking to identify vulnerabilities before attackers do, strengthen your security posture, or meet compliance requirements, you're in the right place. Here's how I help businesses stay secure: 🛡️ Penetration Testing. End-to-end security testing for Web applications, APIs, Mobile apps, and Infrastructure. You'll receive a comprehensive report with not just a list of findings, but clear remediation guidance your team can actually use. 🛡️ Microsoft 365 / Google Workspace Security. A holistic assessment and hardening of your Microsoft 365 or Google Workspace environment, covering identity, access controls, email security, and data sharing settings, so your team can collaborate confidently without exposing common misconfigurations that put your data at risk. 🛡️ Cloud Security & Compliance Readiness. I review and harden your cloud infrastructure to help you confidently meet industry standards including ISO 27001, SOC 2, PCI DSS, HIPAA, and more, without the guesswork.

🇵🇹Funchal, Portugal$59/hr100% JSS5.00 (26)Since Jun 2024

Earnings and projects

MRR
$7.4k

Last 6 months ÷ 6

World#2,528 / 412k
🇵🇹Country#12 / 2,011
Revenue, last 30 days
$3.4k

Last 6 months: $44k

World#10,402 / 412k
🇵🇹Country#70 / 2,011
Total earnings
$114k

Billed in all: $119k

World#33,838 / 412k
🇵🇹Country#247 / 2,011
Per project
$3.1k

$2.8k in the last 6 months

World#54,583 / 412k
🇵🇹Country#317 / 2,011
Projects, last 6 months
16
69% fixed31% hourly
World#8,872 / 412k
🇵🇹Country#33 / 2,011
Projects in all
37

Across 39 contracts

54% fixed46% hourly
World#81,187 / 412k
🇵🇹Country#395 / 2,011

Earnings, last 30 days

$119k+$3.4k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$114k$116k$118k$120kOct 8Oct 23Nov 7

Skill rankings: #1 in 2 skills of 20

Rarest: top 0.33% in Mobile App Testing, of 1,834. Ranked by MRR among everyone on Upwork with the skill.

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  6. 3Ethical Hacking320 freelancers · 🇵🇹 #1Top 0.94%
  7. 3Alpha Testing265 freelancers · 🇵🇹 #1Top 1%
  8. 3Network Penetration Testing212 freelancers · 🇵🇹 #1Top 1%