The Threat Landscape

Who wants your data, why, and how they get it.

Why You Are a Target

The most common reaction to "you should improve your security" is "I have nothing worth stealing." That belief is the attacker's best friend. You have plenty.

What You HaveValue to Attackers
Email accountGateway to reset all other passwords
Bank accountsDirect financial theft
Social Security NumberIdentity theft, fraudulent credit
Personal photosExtortion, blackmail
Social media accountsSpread scams to your contacts
Computer resourcesCryptocurrency mining, botnets
Home networkLaunch attacks on others

Most attackers do not care who you are. They cast a wide net and keep whoever falls in.

Types of Attackers

Opportunistic Attackers

Most attacks are automated and untargeted:

Attacker TypeMotivationMethods
Script kiddiesFun, bragging rightsPre-made tools, easy exploits
Automated botsMass exploitationScanning, credential stuffing
Low-level criminalsQuick moneyPhishing kits, ransomware-as-a-service

These attackers go for easy targets. Basic security is enough to stop them.

Targeted Attackers

Rarer, harder to defend against:

Attacker TypeMotivationTargets
Professional criminalsLarge financial gainHigh net worth individuals
Stalkers/abusersControl, harassmentSpecific individuals
Corporate espionageTrade secretsBusiness owners, executives
Nation statesIntelligenceHigh-value targets

Most people only ever face opportunistic attackers. Defend against those first.

Common Attack Vectors

How Attackers Get In

Attack VectorHow It WorksYour Defense
PhishingTrick you into revealing infoVerify before clicking/responding
Weak passwordsGuess or crack your passwordUse password manager + long passwords
Password reuseUse leaked password on other sitesUnique password per account
MalwareMalicious software installationDon't run untrusted programs
Social engineeringManipulate you psychologicallyVerify unexpected requests
Unpatched softwareExploit known vulnerabilitiesUpdate everything
Unsecured networksIntercept your trafficUse VPN on public WiFi

Attack Chain Example

A typical end-to-end compromise:

  1. Reconnaissance. Attacker finds your email in a data breach.
  2. Initial access. Sends a phishing email about "account security".
  3. Credential theft. You enter your password on a fake login page.
  4. Account takeover. Attacker logs into your email.
  5. Lateral movement. Uses the email to reset other accounts.
  6. Financial theft. Accesses your bank, makes transfers.
  7. Covering tracks. Deletes sent mail, changes passwords.

The Underground Economy

Your data has actual market value:

Data TypeApproximate Value
Credit card with CVV$5-25
Full identity (SSN, DOB, address)$30-100
Bank login credentials$50-200
Email account password$1-10
Medical records$250-1000
Passport scan$10-50

This data is bought and sold on dark web marketplaces. Your record may be sold many times to many buyers.

Data Breaches

How Breaches Happen

CauseExample
Poor security by companiesUnencrypted database exposed
Insider threatsEmployee sells customer data
Third-party compromiseVendor gets hacked
MisconfigurationCloud storage left public
Software vulnerabilitiesUnpatched server exploited

Notable Breaches and Impact

BreachRecords ExposedData Leaked
Yahoo (2013-2014)3 billion accountsNames, emails, passwords
Equifax (2017)147 millionSSN, addresses, credit data
Facebook (2019)540 millionPhone numbers, IDs
LinkedIn (2021)700 millionEmail, phone, employment
National Public Data (2024)2.9 billionSSN, addresses, names

Your data is probably already out there. Check haveibeenpwned.com to confirm.

Emerging Threats

ThreatDescriptionPersonal Impact
AI-powered phishingMore convincing, personalizedHarder to spot fake messages
Deepfake scamsFake audio/video"Grandparent scams" with cloned voices
SIM swappingHijack your phone numberBypass SMS two-factor auth
QR code phishingMalicious QR codesLinks to fake sites
Smart home attacksIoT device exploitationPrivacy invasion, network access

Social Media Threats

RiskHow It's Exploited
Oversharing locationBurglars know when you're away
Personal detailsPassword reset questions answered
Friend connectionsSocial engineering, impersonation
Photos with metadataLocation, device info exposed
Children's informationIdentity theft, predators

Threat Assessment for Individuals

Your Personal Risk Level

Risk varies. Look at your situation honestly:

Risk FactorHigher Risk If...
FinancialHigh net worth, cryptocurrency holdings
ProfessionalExecutive, access to sensitive data
PersonalPublic figure, activist, journalist
FamilyHigh-conflict custody, domestic abuse
Online presenceLarge following, controversial opinions

Prioritize Your Defenses

Everyone ShouldHigher-Risk Individuals Should Also
Use password managerUse hardware security keys
Enable 2FA everywhereFreeze credit at all bureaus
Keep software updatedUse separate devices for sensitive work
Be skeptical of messagesConsider identity theft protection
Back up important dataUse encrypted communications

The Human Factor

Technology is half of it. Most attacks succeed by manipulating people, not machines:

Psychological TriggerHow It's Exploited
Fear"Your account will be closed!"
Urgency"Act now or lose access!"
AuthorityFake emails from "CEO" or "IRS"
Curiosity"See who viewed your profile"
Greed"You've won $1 million!"
Helpfulness"I'm from IT, I need your password"

The best defense is slow down. Verify through an independent channel.

Building Your Security Mindset

Questions to Ask Yourself

Before acting on any unexpected request:

  1. Who is asking? Verify identity through a known channel.
  2. Why now? Urgency is suspicious by default.
  3. What is the worst case? Imagine being wrong.
  4. Does this make sense? Trust the gut feeling.
  5. Can I verify? Call the company on a known number.

Healthy Paranoia vs. Anxiety

Healthy ParanoiaUnhealthy Anxiety
Verify unexpected requestsFear all technology
Use strong unique passwordsChange passwords obsessively
Be cautious with linksRefuse to use internet
Check account activityCheck accounts constantly
Stay informed about threatsDoom-scroll security news

Security should make your life work better, not narrower.

Key Takeaways

  1. Everyone is a target. Automated attacks do not care who you are.
  2. Most attacks are opportunistic. Basic hygiene blocks most of them.
  3. Your data has market value. Email, identity, and bank access all sell.
  4. Phishing leads the field. Human manipulation is still the primary vector.
  5. Breaches are inevitable. Assume your data is already out there.
  6. Psychology drives the rest. Fear, urgency, and trust are the levers.
  7. Slow down. Most mistakes happen when you are rushing.
  8. Verify on a separate channel. Phone the company on a known number.
  9. Stay current. Threats shift; your habits should shift with them.
  10. Start with the basics. A password manager and 2FA stop most attackers.

Next Steps

Continue to 02-passwords.md for the foundation that stops most of these attacks: strong, unique passwords managed somewhere safe.