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Mislav K.
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Mislav K.

OSCP+ Penetration Tester | Web Application & Network Security

I help businesses identify exploitable security weaknesses and turn findings into clear, actionable remediation plans. I'm an OSCP+ certified penetration tester and former Penetration Testing Team Lead at Eviden, with previous experience at Atos. My work includes web application and infrastructure penetration testing, security assessments, technical reporting, and client communication. What I can help with: • Manual web application penetration testing • Internal and external infrastructure security assessments • Cloud configuration security reviews • Remediation guidance and agreed-scope retesting • Security workshops and practical training I have experience delivering penetration tests in support of ISO 27001 audits. Reports can include an executive summary, technical findings, reproducible evidence, risk explanations, and remediation recommendations. I can also tailor report structure and evidence to support your SOC 2 audit requirements. My certifications include OSCP+, PNPT, CNPen, eWPT, and eJPT. I hold a Master's degree in Computer Science from the University of Split. On Upwork, I'm Top Rated with 100% Job Success, including a completed $3,000 application penetration testing engagement rated 5/5. Before testing begins, we agree on the scope, access requirements, deliverables, timeline, and retest conditions. Send me a brief description of your application or infrastructure, and I'll help define an appropriate assessment.

🇭🇷Split, Croatia$55/hr100% JSS5.00 (2)Since Jan 2020

Earnings and projects

MRR
$742

Last 6 months ÷ 6

World#61,213 / 412k
🇭🇷Country#101 / 807
Revenue, last 30 days
$300

Last 6 months: $4.4k

World#74,252 / 412k
🇭🇷Country#118 / 807
Total earnings
$5.4k

Billed in all: $5.5k

World#248,554 / 412k
🇭🇷Country#530 / 807
Per project
$1.1k

$1.1k in the last 6 months

World#118,509 / 412k
🇭🇷Country#269 / 807
Projects, last 6 months
4

Across 5 contracts

40% fixed60% hourly
World#51,813 / 412k
🇭🇷Country#75 / 807
Projects in all
5

Across 6 contracts

33% fixed67% hourly
World#266,042 / 412k
🇭🇷Country#572 / 807

Earnings, last 30 days

$5.5k+$300 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$5.0k$5.2k$5.4k$5.6kOct 8Oct 23Nov 7

Skill rankings: Top 12% in Report Writing

Ranked by MRR among everyone on Upwork with the skill.

  1. #22Information Security Consultation161 freelancers · 🇭🇷 #1Top 14%
  2. #29Network Penetration Testing212 freelancers · 🇭🇷 #1Top 14%
  3. #32Security Assessment & Testing171 freelancers · 🇭🇷 #1Top 19%
  4. #33System Security242 freelancers · 🇭🇷 #1Top 14%
  5. #34Web App Penetration Testing235 freelancers · 🇭🇷 #1Top 14%
  6. #40Web Application Security246 freelancers · 🇭🇷 #2Top 16%
  7. #49Email Security243 freelancers · 🇭🇷 #1Top 20%
  8. #77Penetration Testing623 freelancers · 🇭🇷 #1Top 12%