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📰 Dev.to · Jer Catallo

8 articles · Updated every 3 hours · View all reads

All Articles 107,115 Blog Posts 118,780 Tech Tutorials 27,034 Research Papers 22,414 News 16,377 ⚡ AI Lessons

Remote File Inclusion: How a Single URL Parameter Can Give Attackers Full Control of Your Server

Dev.to · Jer Catallo 🔐 Cybersecurity ⚡ AI Lesson 1w ago

Remote File Inclusion: How a Single URL Parameter Can Give Attackers Full Control of Your Server

Remote File Inclusion (RFI) is a web vulnerability where an application accepts a URL from user...

Path Traversal: What It Is, Why It's Dangerous, and How to Stop Attackers from Reading Files They Shouldn't

Dev.to · Jer Catallo 2w ago

Path Traversal: What It Is, Why It's Dangerous, and How to Stop Attackers from Reading Files They Shouldn't

Path traversal is a web vulnerability where an attacker reads files outside the directory your...

IDOR: What Is It and How Does One URL Change Expose Every User's Data?

Dev.to · Jer Catallo 🔐 Cybersecurity ⚡ AI Lesson 3w ago

IDOR: What Is It and How Does One URL Change Expose Every User's Data?

What Is IDOR and How Does One URL Change Expose Every User's Data? IDOR, or Insecure...

Cookie Tampering: How Attackers Modify Cookies to Break Into Web Apps (And How You Can Prevent It)

Dev.to · Jer Catallo 🔐 Cybersecurity ⚡ AI Lesson 1mo ago

Cookie Tampering: How Attackers Modify Cookies to Break Into Web Apps (And How You Can Prevent It)

Cookies are a common way for web apps to remember who you are and what you can access. The server...

Business Logic Flaws: How Attackers Skip Steps in Your App to Get What They Should Never Have

Dev.to · Jer Catallo 🔐 Cybersecurity ⚡ AI Lesson 1mo ago

Business Logic Flaws: How Attackers Skip Steps in Your App to Get What They Should Never Have

Business logic flaws are vulnerabilities that exist not because of a coding mistake, but because the...

User Enumeration: How One Leaky Error Message Lets Attackers Find Valid Usernames and Crack Your Passwords

Dev.to · Jer Catallo 1mo ago

User Enumeration: How One Leaky Error Message Lets Attackers Find Valid Usernames and Crack Your Passwords

Username enumeration and password brute-force are two of the most common techniques attackers use...

Automated Web Content Discovery: How Attackers Find Hidden Paths on Your Web Server in Minutes Using Free Tools

Dev.to · Jer Catallo 🔐 Cybersecurity ⚡ AI Lesson 1mo ago

Automated Web Content Discovery: How Attackers Find Hidden Paths on Your Web Server in Minutes Using Free Tools

Web applications often have directories and files that are not linked from the main pages. These...

OSINT Content Discovery: Why You Need to Know What's Publicly Exposed About Your Web Assets

Dev.to · Jer Catallo 🔐 Cybersecurity ⚡ AI Lesson 1mo ago

OSINT Content Discovery: Why You Need to Know What's Publicly Exposed About Your Web Assets

Passive content discovery helps you map attack surfaces without touching target systems. You can use...