Sicherheitsblog

Analysen zu Datenlecks, Sicherheitswissen und praktische Tipps, damit Ihre Daten sicher bleiben.

Sicherheitstipps 2. November 2026

Email Header Analysis: How to Trace Suspicious Emails to Their Source

The \"From\" address in an email can be easily faked, but email headers contain a trail of metadata that reveals where a message actually originated. This guide teaches you how to read email headers to verify legitimacy and trace suspicious messages.

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26. Okt 2026 Sicherheitstipps

Cryptocurrency Wallet Security: Protecting Your Digital Assets

Unlike traditional banking, cryptocurrency offers no chargebacks, no fraud department, and no account recovery. If your wallet is compromised, your funds are gone permanently. This guide covers the essential practices for securing cryptocurrency wallets against theft.

19. Okt 2026 Sicherheitstipps

Public Wi-Fi Risks: What Is Actually Dangerous and What Is Hype

Public Wi-Fi has long been portrayed as a digital minefield, but the real risk landscape has changed significantly with widespread HTTPS adoption. This post separates genuine public Wi-Fi threats from outdated fears and explains what precautions actually matter today.

12. Okt 2026 Sicherheitstipps

IoT Device Security: When Your Smart Home Becomes a Vulnerability

Smart thermostats, cameras, doorbells, and voice assistants make life convenient, but each one is a computer on your network that may be poorly secured. This post covers the real risks of IoT devices and practical steps to protect your connected home.

5. Okt 2026 Sicherheitstipps

Gaming Account Security: Protecting Your Digital Investments

Gaming accounts can hold thousands of dollars in purchased games, virtual items, and in-game currency. Account theft is a booming underground economy. This guide covers the threats facing gamers and practical steps to lock down your accounts across every major platform.

7. Sep 2026 Sicherheitstipps

API Security Basics: Protecting the Backbone of Modern Applications

APIs power nearly every modern application, from mobile apps to cloud services. They are also one of the most frequently exploited attack surfaces. This guide covers the essential API security practices every development team should implement to prevent data breaches.

31. Aug 2026 Sicherheitstipps

Employee Security Training: Why It Matters and What Actually Works

Most data breaches involve a human element, yet many organizations treat security training as a checkbox exercise. This post explores why traditional training fails, what effective programs look like, and how to build a security culture that actually reduces risk.

27. Aug 2026 Sicherheitstipps

5 Critical Steps to Secure Your Digital Life After 26 Billion Records Leaked

With over 26 billion records exposed across 32,000+ breaches, your credentials are likely compromised. The real question isn't whether you've been affected—it's what you do next to protect yourself from account takeovers and identity theft.

13. Aug 2026 Sicherheitstipps

Your Password Is Already Stolen: 5 Critical Steps to Take Right Now

Over 25 billion records sit in breach databases today, with plaintext passwords exposed in more than 26,000 incidents. If you haven't changed your passwords recently, there's a strong chance criminals already have your credentials.

10. Aug 2026 Sicherheitstipps

The Psychology of Social Engineering: Why Smart People Fall for Scams

Social engineering attacks exploit fundamental aspects of human psychology, not technical vulnerabilities. Understanding the cognitive biases and emotional triggers that scammers weaponize is the best defense against manipulation.

3. Aug 2026 Sicherheitstipps

Secure Email Practices: Encryption, Providers, and Habits That Protect You

Email remains the most common attack vector for phishing, malware, and account takeover. Learn how to choose a secure email provider, use encryption effectively, and build habits that keep your inbox from becoming a liability.

27. Jul 2026 Sicherheitstipps

Social Media Privacy: Protecting Your Digital Footprint

Everything you post, like, and share on social media creates a digital footprint that can be exploited by criminals, data brokers, and malicious actors. Learn how to reduce your exposure without quitting social media entirely.