You Just Raised Your Seed Round. Here Are Your Security Priorities

You just closed your seed round. You have $2M-$5M in the bank, 10-20 employees, and a product with early traction. Your priority is growth. But some of the security decisions you make (or do not make) in the next 6 months will determine whether you can close enterprise deals, pass due diligence at Series A, and avoid a breach that could derail everything.

Here are the security investments that matter most at this stage, ranked by impact per dollar spent.

Priority 1: Password manager + MFA everywhere

Cost: $200-$500/month. Time: 1 day to deploy.

This is the single highest-ROI security investment you can make. Credential stuffing (using stolen passwords from other breaches) is the most common attack vector for startups. A password manager eliminates password reuse. MFA makes stolen passwords useless.

Deploy 1Password or Bitwarden for the team. Enable MFA on every system that supports it: Google Workspace, AWS, GitHub, Slack, your application is admin panel. Make this a requirement, not a suggestion. Any system with access to customer data must have MFA enabled. No exceptions.

Priority 2: Endpoint protection

Cost: $300-$600/month for a 15-person team. Time: Half a day to deploy.

Your engineers work on laptops that have access to source code, cloud credentials, and customer data. If one of those laptops is compromised, the attacker has access to everything the engineer has access to.

Deploy an EDR (Endpoint Detection and Response) solution on all employee devices. CrowdStrike Falcon Go and SentinelOne are the leaders. They detect malware, ransomware, and suspicious behavior in real-time. They also provide device health information that your compliance platform will need for SOC 2.

Priority 3: Secure your cloud accounts

Cost: $0 (free AWS/GCP features). Time: 2-4 hours.

• Enable CloudTrail (AWS) or Audit Logs (GCP) to log all API calls. This is your forensic trail if something goes wrong.
• Use separate AWS accounts for production and development. AWS Organizations makes this easy.
• Enable GuardDuty (AWS) or Security Command Center (GCP) for threat detection.
• Lock down IAM: no one gets admin access. Use role-based access with the minimum permissions needed.
• Enable billing alerts so you notice if someone is mining crypto on your infrastructure.

Priority 4: Application security basics

Cost: $0-$500/month. Time: 1-2 days of engineering time.

• Enable Dependabot or Snyk to scan code dependencies for known vulnerabilities. Fix critical and high severity findings within 7 days.
• Ensure all data in transit uses TLS 1.2+. Ensure all data at rest is encrypted (RDS encryption, S3 default encryption).
• Implement rate limiting on authentication endpoints. Brute force attacks on login pages are trivially easy to execute and trivially easy to prevent.
• Sanitize all user input. SQL injection and XSS are still among the most common vulnerabilities in web applications.

Priority 5: Start the SOC 2 clock

Cost: $10,000-$15,000/year for a compliance platform. Time: Ongoing.

You probably do not need to complete SOC 2 right now. But you should start the process. Sign up for a compliance automation platform, connect it to your systems, and start closing gaps. The earlier you start, the less painful the audit will be when an enterprise customer or Series A investor requires it. The SOC 2 readiness checklist is a reasonable way to see what closing those gaps involves.

The observation period for SOC 2 Type II is 3-6 months. If you start now, you can have a Type II report by the time you are raising your Series A.

Priority 6: The offboarding process you do not have

Cost: $0. Time: 2 hours to write, 20 minutes per departure.

Access removal is the control that fails most often at this stage, and it is the one an auditor tests first because it is easy to test. The auditor asks HR for a list of people who left in the past year, picks three, and asks you to show when each account was disabled. If the answer for one of them is that their GitHub account is still active four months later, you have a finding, and more importantly you have a real risk: a former engineer with a personal laptop and a valid session.

Write a departure checklist and keep it with the offer letter template so it is impossible to miss. It needs to name every system with access, not the five you remember. The ones that get forgotten are consistently the same: the personal GitHub account added as a repository collaborator rather than through the organization, the AWS IAM user created for a one-off script, the shared password in a Slack DM, the third-party integrations authorized under a personal account, the API keys the person generated for local testing, and the SSH keys on production hosts. Each of those outlives the account you disabled in Google Workspace.

The structural fix is single sign-on for everything that supports it, because disabling one identity then removes access everywhere at once. Getting there takes time and some vendors charge painfully for the feature. Until you arrive, the checklist is the control, and the evidence is a completed copy of the checklist with a date and a name on it.

Priority 7: Decide your log retention before you need it

Cost: $100 to $600 per month depending on volume. Time: a day.

Logging is the investment whose absence you only notice during an incident, and by then it is unrecoverable. If a customer emails in March asking whether their data was accessed in December, and your application logs roll off after 14 days, the honest answer is that you do not know. That answer costs deals and, depending on the data involved, may not satisfy a regulator.

Set a retention floor of one year for authentication events, administrative actions, and cloud control plane activity, which in practice means CloudTrail or the equivalent going to an object store with a lifecycle policy. Application debug logs can roll off much faster. The distinction matters because volume drives cost, and teams that treat all logs the same either pay too much or retain nothing. Make sure the logs land somewhere the production role cannot delete, because an attacker with your deploy credentials will clean up after themselves if you let them.

This is also the cheapest way to make future compliance work less painful. Almost every framework asks a version of the same question about monitoring and about your ability to reconstruct what happened. Having twelve months of authentication history already sitting in a bucket turns that from a project into a screenshot.

What to skip on purpose

Deliberate omissions matter as much as the list above, and nobody sells them to you. At 10 to 20 people with a product still changing shape, here is what usually is not worth your money yet.

A full penetration test before your architecture stabilizes. If you are still rewriting your authorization model, a test performed in April is describing an application that will not exist in July. The exception is when a customer contract requires one, in which case scope it narrowly rather than broadly and plan to repeat it once the product settles. Penetration testing starts at $1,000 and the number climbs with the count of distinct applications and roles, so a tight scope on the part that handles customer data is both cheaper and more useful than a sweep across everything.

ISO 27001 unless you are selling into Europe or a market that specifically asks for it. It is 93 Annex A controls plus clauses 4 through 10 of the management system, and the management system is the expensive part because it is ongoing rather than one-off. North American buyers overwhelmingly ask for SOC 2. Doing both at once at this stage is a way to do neither well.

A SIEM and a security analyst. Your cloud provider's native threat detection plus alerting into a Slack channel someone actually watches will catch more at your size than an expensive platform generating alerts nobody triages. Buy the platform when you have the person to run it.

A bug bounty program. Open bounties generate a stream of low-value reports that consume engineering attention you do not have. Get through a private test and fix the results before you invite the internet.

What Series A diligence actually looks at

Security diligence at Series A is lighter than founders fear and different from what they prepare for. Most funds are not auditing your code. They are checking that a technical failure will not blow up the investment, and they are checking whether you can sell to the customers in your model. The questions that come up repeatedly are whether you have had a breach and how you handled it, whether you own your IP cleanly including contractor assignments, what customer data you hold and under which privacy laws, whether any customer contract commits you to a certification you do not have, and what your cloud spend and access model look like.

That last category is where deals slow down. A signed enterprise contract containing a clause promising a SOC 2 Type II report within 90 days, agreed by a founder who did not read it closely, becomes a diligence item and a fire drill at the same time. Read your own contracts for security commitments before an investor does.

The failure mode of buying a compliance platform first

The common pattern we are called into: a startup bought a compliance automation tool, connected it, watched the dashboard go green, and assumed the work was done. Then the auditor asked for evidence over the observation period rather than evidence today, and the gaps appeared. Automated checks tell you the configuration is correct at the moment of the check. They do not tell you whether an access review happened in Q2, whether the risk assessment was performed by someone who understood it, or whether your policies describe your actual practice.

Two specific drifts to watch. Policies generated from templates almost always describe controls you do not operate, and an auditor comparing the policy to reality will find the gap faster than you will. And a green dashboard that requires monthly human tasks, meaning access reviews, vendor reviews, and training completion, goes red quietly when the person who owned it gets busy shipping. Assign those tasks to a calendar and to a named person, not to the tool.

When you should not buy help from us

If nothing in your pipeline is asking for a report, and you have no customer data more sensitive than email addresses, you should not be buying compliance work. Do the first four priorities in this article yourself over two weeks, spend the rest of the money on engineers, and revisit when a buyer asks. Starting SOC 2 eighteen months before anyone requests it is a real cost with no revenue attached to it.

Bring someone in when a specific deal is blocked, when you have signed a contractual security commitment you cannot currently meet, or when the person holding all of this in their head is your only senior engineer and you would rather they built product. That last case is what a fractional CISO is for, from $3,000 per month, and it is usually the cheaper answer than a full-time hire at this stage. If a deal is the trigger, our compliance work starts with a gap analysis so you know the real scope before committing to anything, and one of the honest arguments for documenting your position properly is leverage with the audit firm: on one engagement the audit firm reduced its own quote by $11,000 once the readiness position was documented, which we wrote up in the auditor vetting case study.