Privacy & Policy
Secure DNS configuration and how to prevent interception
Domain name system queries travel in plain text by default, leaking every website you visit to local network observers.
TechSec Headlines Reference Desk
The TechSec Headlines Reference Desk is the part of the TechSec Headlines newsroom that covers reference guides that explain the ideas behind the headlines. It is a newsroom desk, not a single person. Sections: Guides. Guides are drafted with AI assistance, carry no invented statistics and are reviewed when the facts change. It has published 121 articles so far. See the editorial policy or report an error.
Privacy & Policy
AI
Shadow AI Mistakes That Put Corporate Data at Risk
Unapproved browser extensions and personal API keys route sensitive internal data to public model providers long before network firewalls notice.
Privacy & Policy
Removing business data from people search sites to stop attacks
Public directories aggregate your office address and personal phone numbers, turning small business footprints into direct targets for social engineering.
Privacy & Policy
Shared AI chat links in search results and how to spot them
Public search engines index private conversation URLs when users inadvertently publish chat transcripts to shared web directories.
Tech News
Do I need device encryption to protect personal data?
Turning on full-disk scrambling protects stored files from direct hardware extraction while leaving active memory vulnerable.
Tech News
Linux server security checklist for production environments
Default installations prioritize convenience over safety, leaving hidden service ports open to the public internet by design.
Tech News
Can I run virtual machines on Linux and isolate your workloads
Linux serves as the native host for enterprise virtualization, turning physical hardware into isolated digital computers through kernel integration.
Vulnerabilities
Detect PHP Application Vulnerabilities in Logs and Code
Hidden PHP flaws often hide in file upload handlers and session management logic, bypassing standard input validation checks that secure most other web applications.
Vulnerabilities
Disputed and Rejected CVEs: How to Handle Invalid Security IDs
Disputed CVEs signal vendor disagreement with a finding, while rejected CVEs indicate the issue was never a valid security vulnerability.
Vulnerabilities
Broken Object Level Authorization: How to Fix API Logic Errors
BOLA exploits occur when an API trusts client-side IDs without verifying the user owns the resource, allowing attackers to access data they should not see.
Vulnerabilities
How to Prevent Sandbox Escape Vulnerabilities in Your Code
Most sandbox escapes occur because developers grant unnecessary permissions or fail to sanitize data that crosses isolation boundaries.
Vulnerabilities
Prevent Browser Extension Vulnerabilities: Priority Actions That Work
Most extension risks stem from permission creep and supply chain failures, not just malicious code injection or direct network attacks.
Vulnerabilities
How Dependency Scanning Works: The Hidden Mechanics and Limits
Scanners rely on static signatures rather than runtime behavior, meaning they miss logic flaws that only appear when code executes in a live environment.
Vulnerabilities
WebSocket Vulnerabilities: 7 Common Mistakes That Expose Your Data
WebSocket connections often inherit HTTP session cookies, allowing attackers to hijack active sessions without brute-forcing credentials or exploiting complex injection flaws.
Vulnerabilities
Detect TOCTOU Bugs: Logs, Tools, and Hidden Blind Spots
Time-of-check to time-of-use bugs hide in race conditions where file permissions change between verification and execution, allowing attackers to bypass security controls entirely.
Vulnerabilities
How Typosquatting Packages Work: The Step-by-Step Attack Chain
Malicious packages hijack your build pipeline by exploiting human error in package names, turning trusted dependency managers into delivery vehicles for code execution.
Vulnerabilities
How WordPress Theme Vulnerabilities Work: Attack Steps
Theme vulnerabilities bypass server defenses by turning trusted design files into execution paths that steal data or take control of the site without needing admin credentials.
Data Breaches
When Can Protected Health Information Be Disclosed Without Consent
You can share medical data for payment and operations without asking, but marketing and most third-party sales require explicit written permission from the patient.
Cloud Security
Security Groups vs Network ACLs: Which Cloud Firewall Layer Do You Need?
Security groups enforce stateful rules at the instance level, while network ACLs provide stateless, subnet-level filtering for defense in depth.
Cloud Security
OAuth Token Abuse: How Attackers Steal Access and How to Stop It
Stolen OAuth tokens grant attackers immediate access to cloud accounts without triggering password-based detection systems or multi-factor authentication prompts.
Data Breaches
Stop Public File Share Exposure: 7 Mistakes That Leak Data
Default cloud storage permissions often make folders public by default, exposing sensitive records to anyone with the link or search engine.
Threat Intelligence
Breach and Attack Simulation Misunderstandings and Correct Views
Breach and attack simulation validates detection logic, not prevention, and fails when treated as a substitute for continuous threat intelligence analysis.
Cloud Security
Prevent Exposed Storage Buckets: The Cloud Security Checklist
Most storage exposures occur because default configurations prioritize convenience over privacy, leaving sensitive data accessible to anyone with the URL.
Data Breaches
Data Extortion Explained: How Attackers Steal and Sell Your Secrets
Attackers no longer just encrypt your files for ransom; they steal your data and threaten to publish it if you refuse to pay, creating a double threat that bypasses standard backups.