Why Your First Security Hire Should Not Be a CISO

Your startup just closed its Series A. Enterprise customers are knocking on the door, but they are sending over security questionnaires before they sign contracts. Your board is asking about your security posture. A compliance framework (SOC 2, probably) is on the roadmap. You need someone to own security.

The instinct is to hire a Chief Information Security Officer. It sounds right. It is the title that shows up first when you search "security leadership." Your investors might even suggest it. But for most startups pre-Series B, hiring a CISO as your first security person is a mistake that will cost you six figures and leave your actual security problems unsolved.

Here is why, and what to do instead.

What a CISO Actually Does

A CISO is a strategic executive. Their core responsibilities include building and managing a security program, setting risk appetite with the board and executive team, managing a team of security engineers and analysts, owning compliance certifications and audits, communicating security posture to stakeholders (board members, customers, regulators), and aligning security spending with business objectives.^[1]

Notice what is not on that list: writing code, configuring firewalls, reviewing pull requests for vulnerabilities, setting up SIEM alerts, or running penetration tests. A CISO leads a team that does those things. They do not do those things themselves, at least not if you are getting the value you are paying for.

The typical CISO at a mid-to-large company manages 5-20 people across application security, infrastructure security, security operations, governance/risk/compliance, and sometimes IT. They spend most of their time in meetings, writing policies, managing budgets, and reporting to the board.

The salary reality

According to Levels.fyi and compensation data from IANS Research, the total compensation for a CISO in 2025 ranges from $300,000 to $600,000+ at venture-backed companies, with some public company CISOs earning well over $1 million when equity is included.^[2] Even at the low end, you are looking at $250,000-$350,000 in base salary for someone with legitimate CISO experience.

For a 30-person startup with a $5 million Series A, that is a massive allocation of your headcount budget for someone who, by the nature of their role, needs a team underneath them to be effective.

What a Security Engineer Actually Does

A security engineer (sometimes titled application security engineer, product security engineer, or infrastructure security engineer) is a hands-on practitioner. Their day looks like this:

• Reviewing code and architecture for security vulnerabilities
• Setting up and managing security tooling: SAST (static analysis), DAST (dynamic analysis), dependency scanning, secrets detection
• Configuring cloud infrastructure securely (IAM policies, network segmentation, encryption at rest and in transit)
• Responding to security incidents and investigating alerts
• Implementing authentication and authorization systems
• Running internal penetration tests and threat models
• Building security into the CI/CD pipeline
• Helping the engineering team write more secure code through training and code review

A strong security engineer at a startup will also handle the compliance work: scoping your SOC 2 audit, implementing the controls, gathering evidence, and working with your auditor. They will fill out security questionnaires from enterprise customers. They will write the security policies, not because policy-writing is their primary skill, but because at a startup, the person who understands the technical reality is the best person to document it.

The salary reality

A senior security engineer or AppSec engineer typically earns $150,000-$220,000 in total compensation, depending on location and experience.^[3] That is roughly half the cost of a CISO, and you get someone who will directly reduce your attack surface from day one.

The Mismatch Problem

When a startup hires a CISO as their first security person, one of two things happens. Neither is good.

Scenario 1: You hire a real CISO

You find someone with 15+ years of experience, who has built and led security teams at established companies. They are used to having a team. They are used to delegating implementation. They are used to operating at a strategic level.

They join your 30-person startup and discover there is no team to lead. There is no security infrastructure to manage. There is no existing security program to improve. They need to build everything from scratch, which means doing hands-on engineering work, which is not what they have been doing for the last decade.

The result: frustration on both sides. The CISO feels underutilized and mismatched. The startup feels like they are paying $350,000 for someone who keeps writing policies and strategy documents when what they actually need is someone to fix the AWS IAM configuration that is granting every developer admin access to production.

Scenario 2: You hire someone with a CISO title but CISO-level experience

You find someone willing to take the CISO title at a startup salary. They might have 5-7 years of experience, mostly in compliance or risk management. They can write policies and manage audits, but they struggle with the hands-on technical work: reviewing code for SQL injection, configuring cloud security groups, or investigating a potential breach in your logging infrastructure.

The result: you have a CISO on paper, which looks good on security questionnaires, but your actual security posture does not improve. The vulnerabilities in your application code go unreviewed. Your cloud infrastructure stays misconfigured. You pass your SOC 2 audit, but you are still one misconfigured S3 bucket away from a breach.

What Your Startup Actually Needs at Each Stage

Pre-Seed to Seed (1-15 employees)

At this stage, you do not need a full-time security hire at all. What you need is security baked into your engineering practices and periodic external validation.

• Use a security-conscious development approach: Enable branch protection on GitHub, require code reviews, use a secrets manager from day one, enable MFA on all accounts, and use infrastructure-as-code (Terraform, Pulumi) so your cloud configuration is reviewable and version-controlled.
• Get an annual penetration test: Hire an external firm to test your application and infrastructure once a year, and before any major launch. This costs $10,000-$30,000 depending on scope and gives you an expert's assessment of your most critical vulnerabilities.
• Lean on managed services: Use a cloud-native WAF (AWS WAF, Cloudflare), enable cloud provider security features (AWS GuardDuty, GCP Security Command Center), and use GitHub Advanced Security for code scanning. These tools cover a lot of ground without requiring a dedicated person.

Total annual security spend at this stage: $15,000-$40,000. A fraction of a full-time hire.^[4]

Series A (15-50 employees)

This is when you make your first dedicated security hire, and it should be a senior security engineer or senior application security engineer.

At this stage, your company is probably dealing with enterprise sales that require SOC 2 compliance, a growing codebase with increasing complexity, cloud infrastructure that has grown organically and needs hardening, more employees with more access to more systems, and customer data that you are contractually and legally obligated to protect.

A senior security engineer can handle all of this. They will scope and drive your SOC 2 audit (using platforms like Vanta, Drata, or Secureframe to automate evidence collection). They will review your application code and cloud infrastructure for vulnerabilities. They will establish security tooling in your CI/CD pipeline. They will fill out the security questionnaires blocking your enterprise deals. And they will build the foundation that a future security team will be built on.

Series B (50-150 employees)

Now your security needs are expanding. You might need a second security engineer, possibly specializing in a different area (if your first hire was AppSec-focused, your second might be infrastructure or cloud security-focused). You might also need a GRC (governance, risk, and compliance) analyst to handle the growing volume of customer security reviews, audits, and regulatory requirements.

This is the stage where a security leader starts making sense, but it still might not be a full CISO. A Director of Security or Head of Security can lead a small team (2-4 people) while still being technically hands-on. They can set strategy and build a program while also reviewing architecture and responding to incidents.

Series C and beyond (150+ employees)

Now you need a CISO. At this scale, security is a board-level concern. You likely have multiple compliance requirements (SOC 2, ISO 27001, HIPAA, PCI DSS, or others depending on your industry). You have a security team that needs leadership. You have complex vendor relationships, international data flows, and potentially regulatory scrutiny.

A CISO at this stage is managing a team of 5-15 people, reporting to the CEO or CTO, and presenting to the board quarterly. This is the role CISOs are built for. And because you built your security program on a strong technical foundation (thanks to that first security engineer hire), the CISO is stepping into a functioning program rather than a blank slate.^[5]

The Fractional CISO Option

If you need CISO-level strategic guidance before you can justify a full-time CISO, a fractional CISO is an excellent option. A fractional CISO is an experienced security leader who works with your company part-time, typically 10-20 hours per month.

What a fractional CISO provides

• Strategic security roadmap and program development
• Board and executive reporting on security posture
• Guidance on compliance strategy (which frameworks to pursue, in what order)
• Vendor security review oversight
• Incident response leadership when needed
• A "CISO" name on your security questionnaires and customer-facing materials

What a fractional CISO costs

Fractional CISO services typically run $5,000-$15,000 per month, depending on the scope and the provider.^[6] That is $60,000-$180,000 annually, compared to $300,000-$600,000+ for a full-time CISO. You get the strategic leadership and the executive presence at a fraction of the cost.

The combination of a full-time senior security engineer plus a fractional CISO gives you the best of both worlds: hands-on technical security work happening every day, with strategic oversight and executive-level guidance on a regular cadence. Many startups find that this combination serves them well from Series A all the way through Series B.

What to Look for in Your First Security Engineer

Hiring your first security engineer is one of the most important hires you will make, because this person will set the security culture and technical foundation for everything that follows. Here is what to look for.

Must-have skills

• Application security experience: They should be able to review code for common vulnerabilities (OWASP Top 10), perform threat modeling, and integrate security testing into your CI/CD pipeline. Tools like Semgrep, SonarQube, Snyk, and Burp Suite should be in their toolbelt.
• Cloud security knowledge: If you are on AWS, they need to understand IAM policies, VPC configuration, S3 bucket policies, KMS encryption, and services like GuardDuty and Security Hub. Equivalent knowledge for GCP or Azure if that is your platform.
• Incident response capability: When something goes wrong at 2 AM, this person needs to be able to investigate, contain, and remediate without waiting for instructions.
• Communication skills: They will be the sole security voice in the company. They need to explain risks to non-technical stakeholders, write clear security policies, and fill out customer security questionnaires without making everything sound like the sky is falling.

Nice-to-have skills

• Compliance experience: SOC 2, ISO 27001, or industry-specific frameworks. This saves you from hiring a separate compliance person early on.
• Software development background: Security engineers who used to be software developers are incredibly effective at startups because they understand the engineering team's workflow and can integrate security without creating friction.
• Penetration testing skills: While you should still get external penetration tests, having someone internally who can do basic offensive testing is valuable for catching issues between annual assessments.

Where to find them

The best security engineers for startups often come from security consulting firms (they are used to working across many different environments and being generalists), larger companies where they were on an AppSec or product security team (they have depth in secure development), or security-focused roles at other startups (they understand the pace and the constraints).^[7]

Job boards like the OWASP job board, the Security BSides community, and specialized recruiters like Hitch Partners or CyberSN can help you find candidates. Writing a clear, honest job description matters. Do not list 25 required certifications. Describe the actual problems you need solved.

Getting Security Coverage Without a Full-Time Hire

If you are not ready for a full-time security hire, you still have options. In fact, many startups get surprisingly good security coverage through a combination of external services.

Penetration testing as a service (PTaaS)

Platforms like Cobalt, Synack, HackerOne, and Bugcrowd provide continuous or on-demand penetration testing from vetted security researchers. Some offer annual subscriptions that include multiple tests throughout the year. Costs range from $20,000-$60,000 annually depending on scope and frequency. This gives you ongoing vulnerability discovery without a full-time headcount.^[8]

Compliance automation platforms

Vanta, Drata, Secureframe, and Thoropass automate much of the SOC 2 compliance process. They continuously monitor your infrastructure for compliance gaps, auto-collect evidence, and streamline the audit process. These platforms cost $10,000-$30,000 per year and can reduce the time to SOC 2 certification from 6-12 months to 2-3 months.^[9]

Managed detection and response (MDR)

Services like CrowdStrike Falcon Complete, Arctic Wolf, or Expel provide 24/7 security monitoring and incident response. They deploy agents on your endpoints and monitor your cloud infrastructure for threats. When they detect something, their analysts investigate and respond. This is essentially outsourcing your security operations center (SOC) for $5,000-$15,000 per month, depending on the number of endpoints and data sources.

Security advisory services

Firms like Lorikeet Security, NCC Group, Trail of Bits, and others offer ongoing advisory engagements where senior security consultants work with your team on a retainer basis. This gives you access to deep expertise across application security, cloud security, and compliance without the full-time salary.

Common Mistakes to Avoid

Mistake 1: Giving the CISO title to an engineer

Some startups try to split the difference by hiring a security engineer and giving them the CISO title. This creates problems in both directions. The engineer does not have the executive experience to operate at the board level, and the inflated title makes it awkward when you eventually need to hire an actual CISO above them. It also sets unrealistic expectations with customers and auditors who expect a CISO to have a certain level of experience and strategic capability.

Mistake 2: Making security an engineering team side project

Assigning security responsibilities to an existing engineer who already has a full plate is a recipe for security being permanently deprioritized. Feature development will always win in the short term. Security needs dedicated ownership.^[10]

Mistake 3: Hiring for compliance instead of security

If your first hire spends 100% of their time on SOC 2 paperwork and customer questionnaires, your actual security posture is not improving. Compliance is important, but it should be a byproduct of a good security program, not the entire program.

Mistake 4: Waiting too long

The worst time to think about security is after a breach. The second worst time is when an enterprise deal falls through because you could not pass a security review. If you are handling customer data and generating revenue, security should be on your radar. You do not necessarily need a full-time hire yet, but you need a plan.

The Bottom Line

The right security hiring sequence for most startups looks like this:

1. Pre-seed to Seed: External penetration tests + managed security services + security-conscious engineering practices. No full-time security hire needed.
2. Series A: First full-time hire is a senior security engineer or AppSec engineer. Optionally supplement with a fractional CISO for strategic guidance.
3. Series B: Grow to 2-3 person security team. Promote or hire a Head of Security/Director of Security to lead the team.
4. Series C and beyond: Hire a full-time CISO to lead a mature security organization, report to the board, and manage a team of 5+ people.

Your first security hire should be someone who can write a Terraform security policy, review a pull request for authentication flaws, configure AWS GuardDuty, and then turn around and fill out a SOC 2 questionnaire. That is a security engineer, not a CISO. The CISO comes later, when you have a program for them to lead and a team for them to manage.

Lorikeet Security Team

Penetration Testing & Cybersecurity Consulting

We've completed 170+ security engagements across web apps, APIs, cloud infrastructure, and AI-generated codebases. Everything we publish here comes from patterns we see in real client work.