Is this guide technical or non-technical?

You don’t need to be a security expert. The ebook is written for founders and technical leaders who work with modern startup infrastructure — cloud tools, SaaS platforms, internal apps — and need to make informed security decisions without a dedicated security team.

Is this a real attack or a hypothetical scenario?

The guide walks through a composite attack based on real-world breach patterns. It combines common techniques used in actual incidents to show how modern attacks typically unfold in practice.

Does the ebook focus on prevention or damage control?

The focus is on prevention through early intervention. The guide shows where attacks start, how they escalate, and which controls actually stop them before significant damage occurs.

How long does it take to read?

The playbook is concise and structured. Most readers can finish it in 15–20 minutes, with clear sections you can return to as a reference.

Free guide

Practical lessons from a hacker’s playbook

Most founders think their businesses are too small to be targeted. That’s exactly why hackers love them.

Attackers look for the entry point with the least friction. In a fast-moving startup, there’s no shortage of easy ways in: a busy founder, a reused password, or an unsecured home network.

Learn how to defend your tech SMB.

Download the free guide

Why startups are the perfect prey for hackers

Small mistakes travel fast in a startup because they are:

Built for speed

Things move quickly. Errors can propagate before anyone pauses to contain them.

Generous with trust

Requests from familiar names are acted on without friction. Attackers will step into that trust.

Grant broad access

Small teams share permissions across tools. One identity can unlock many systems

Original research from the Proton Data Breach Observatory shows the real-world impact of these conditions:

71% of breaches affect small and medium-sized businesses
A single breach can cost a startup over $1 million

The cost of inaction

Most startups don't realize they are the path of least resistance until the investigation begins. Secure your build by learning the offensive tactics used to compromise your peers.

Download the Hackers Playbook FREE

How a breach unfolds in 2026

Secrets of a Hacker’s Playbook walks through a realistic attack from the attacker’s point of view.

Based on decades of real-world breach analysis, it strips away jargon and Hollywood myths to show how a ghost in the machine dismantles an organization from the inside.

Phishing for a key

An hour on LinkedIn is enough to identify who approves payments, who manages infrastructure, and who’s overloaded.

Weaponizing the inbox

Once inside, the hacker reads contracts, tracks travel schedules, monitors invoices, and sees how decisions get made.

Exploiting the supply chain

Instead of a loud, dramatic theft, they perform a malicious commit to hide a data harvester inside a routine update.

The damage report

The startup realises too late: their IP is gone, funds are diverted, and customer data has been compromised.

What you’ll learn in this ebook

Secrets of a Hacker’s Playbook translates an attack into clear, actionable insight for startups.

Where modern attacks start: Hackers target people and third-party vendors instead of head on assaults on your servers.
The danger of a breached inbox: Internal systems become vulnerable once an attacker has access to a single employee's email.
The cost of haste: Developer trust and rapid shipping cycles create hidden risks in your codebase.
Proven hack prevention: Identify security controls that actually stop an attack versus those that only look good on paper.

Secrets of a Hacker’s Playbook is a threat model you can apply immediately.

Get your copy of the Hacker’s Playbook

Who needs to read the Hacker’s Playbook?

This guide is written for startup founders, CTOs, and technical leads who:

Ship software
Handle customer data
Work with small teams
Make security decisions
Want to sleep at night

Download the free guide: Secrets of a Hacker’s Playbook

See your business through an attacker’s eyes — and learn how real breaches actually unfold.

First name*

Last name*

Email*

Contact number*

Company name*

Job title*

Industry*

Company size*

Country*

I consent to receive further content and updates related to this ebook and to be contacted regarding Proton products and services.

Stop hacks in their tracks with Proton for Business

Proton’s ecosystem acts as an attack circuit breaker. If one layer fails, the next one stops the attacker cold.

Try Proton free

Eliminate password reuse with Proton Pass

Unique, strong credentials for every service. Automatic phishing protection that refuses to autofill on spoofed domains.

Constrain access with Proton VPN

Dedicated gateways let you restrict logins to approved company IPs. Stolen credentials fail outside your network.

Detect ghosts early with Proton Sentinel

High-risk accounts are monitored for suspicious behavior. Unusual devices or locations are flagged before reconnaissance begins.

Secure communications with Proton Mail

Zero-access encryption keeps internal strategy, financial discussions, and board communications unreadable — even during provider-level breaches.

Secure communications with Proton Mail

Zero-access encryption keeps internal strategy, financial discussions, and board communications unreadable — even during provider-level breaches.

Frequently asked questions

Is this guide technical or non-technical?: You don’t need to be a security expert. The ebook is written for founders and technical leaders who work with modern startup infrastructure — cloud tools, SaaS platforms, internal apps — and need to make informed security decisions without a dedicated security team.
Is this a real attack or a hypothetical scenario?: The guide walks through a composite attack based on real-world breach patterns. It combines common techniques used in actual incidents to show how modern attacks typically unfold in practice.
Does the ebook focus on prevention or damage control?: The focus is on prevention through early intervention. The guide shows where attacks start, how they escalate, and which controls actually stop them before significant damage occurs.
How long does it take to read?: The playbook is concise and structured. Most readers can finish it in 15–20 minutes, with clear sections you can return to as a reference.