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All blog articles on the subject of Encryption

Fabienne Hofsäß

Published on 22.05.2026 in the category aramido published.

Experience the World of Hackers and Defenders Live

As a partner of the Night of Digitalization, aramido opens its doors on Friday, June 19, 2026, from 3 PM with a diverse program. (read more)

Cold Boot Ethical Hacker Cryptology • Cryptography Live Hacking Threat Modeling Training Workshop Event Encryption WebAuthn White Hat Hacker

Fabienne Hofsäß

Published on 05.06.2024 in the category Communication Security published.

Steganography: The Art of Hidden Communication

Encrypted communication dates back to antiquity. Much has changed since then, and the way we communicate has become significantly more secure. (read more)

Information Security Cryptology • Cryptography Employee Awareness Security Concepts Encryption

Fabienne Hofsäß

Published on 21.05.2024 in the category aramido published.

Versatile Program at the Night of Digitalization

As a partner of the Night of Digitalization, aramido opens its doors on Friday, June 7, 2024, from 3 PM with a versatile program. (read more)

Cold Boot Ethical Hacker Cryptology • Cryptography Live Hacking Threat Modeling Training Workshop Event Encryption WebAuthn White Hat Hacker

Hannah Schneider

Published on 08.06.2022 in the category aramido published.

Making Information Security Visible with a Colorful Program

As a partner of the Bunte Nacht der Digitalisierung, aramido makes information security visible on Friday, July 1st, from 3 PM. (read more)

Cold Boot Dolphin Attack Ethical Hacker Cryptology • Cryptography Live Hacking Threat Modeling Training Workshop Event Encryption WebAuthn White Hat Hacker

Hannah Schneider

Published on 31.03.2022 in the category Data Security published.

Better Safe Than Sorry: On the Secure Side with a Backup

March 31 is World Backup Day. It serves as a reminder to ensure the security of your own data through backups. We show you how. (read more)

Backup • Data Security Business Continuity Management (BCM) Incident Response IT Risk Management Encryption

Hannah Schneider

Published on 17.02.2020 in the category aramido published.

Save the Date: Cooling Spray, Popcorn, and Live Hacking at the IT Cinema

aramido demonstrates the Cold Boot attack at the BWG IT Cinema, showing how a disk encryption can be bypassed. (read more)

Bitlocker Cold Boot Data Theft Data Carrier Digital Forensics • IT Forensics FileVault Live Hacking LUKS Employee Awareness Pentester Event Encryption

Kai Streiling

Published on 09.10.2019 in the category aramido published.

aramido at the Night of Digitalization

aramido is a partner of the Night of Digitalization and invites you to live hacking presentations, interactive workshops, and stimulating conversations on October 11, 2019. (read more)

Cold Boot Ethical Hacker Cryptology • Cryptography Live Hacking Employee Awareness Social Engineering Training Workshop Company Event Encryption White Hat Hacker

Andreas Sperber

Published on 09.10.2019 in the category Data Security published.

Cold Boot Attack: Farewell Disk Encryption

aramido demonstrates the current state of the Cold Boot attack and shows how disk encryption can be bypassed. (read more)

Advanced Persistent Threats (APT) Bitlocker Cold Boot Data Theft Data Carrier Digital Forensics • IT Forensics FileVault Hardening Cryptology • Cryptography LUKS Encryption

Andreas Sperber

Published on 09.07.2019 in the category Communication Security published.

HTTP Security Headers Protect Your Visitors

Security headers protect website users and expand the defense-in-depth strategy. We demonstrate how they are implemented and their specific impact. (read more)

Click-Jacking Cross Site Scripting (XSS) HTTP Strict Transport Security (HSTS) JavaScript Man-In-The-Middle (MIM) Secure Coding Social Engineering SSL-Stripping Encryption

Regina Okun

Published on 03.04.2019 in the category aramido published.

aramido at KA-IT-Si: Hacking on Ice

„Cold-Boot“ live hacking with aramido and subsequent buffet networking on April 11, 2019, at 6 PM in Karlsruhe (read more)

Bitlocker Cold Boot Data Theft Data Carrier FileVault Linux Live Hacking LUKS Ubuntu Company Event Encryption

Elisabeth Apicella

Published on 03.04.2019 in the category aramido published.

How Do I Find a Job in Information Security?

Information security: an exciting field with social relevance and promising earning prospects. What should interested parties bring to the table? (read more)

Ethical Hacker Information Security Officer IT Security Job Offer IT Security Officer Job Linux Pentester Python Social Engineering Encryption White Hat Hacker

Regina Okun

Published on 18.09.2018 in the category Web Application Security published.

PHP Security Podcasts on phpdevradio.de

In PHPDevRadio "The Podcast for PHP", Michael Döhler (PHPDevRadio Crew) and Andreas Sperber (aramido) talk about current PHP security topics (read more)

Regina Okun

Published on 06.07.2018 in the category aramido published.

Event Announcements: Live Hacking, Keynotes and Trade Fairs

Experience IT security and aramido at one of our upcoming events. We look forward to welcoming you to a presentation or live hacking session! (read more)

Assume Breach Digital Forensics • IT Forensics Incident Response Live Hacking Threat Modeling Company Event Encryption

Andreas Sperber

Published on 21.07.2017 in the category Communication Security published.

Using HTTP Public Key Pinning Securely

Public Key Pinning restores trust in the PKI. However, this powerful method must be used correctly, otherwise serious dangers may arise. (read more)

Authentication HTTP Strict Transport Security (HSTS) Man-In-The-Middle (MIM) Public Key Infrastructure (PKI) Monitoring Encryption

Andreas Sperber

Published on 17.04.2017 in the category Communication Security published.

Certificate Transparency – Transparency in the Certificate Jungle

Certificate Transparency is a system for monitoring certificates. For Google Chrome, it has been mandatory since October 2017. We report on what needs to be considered. (read more)

Certificate Transparency (CT) Public Key Infrastructure (PKI) Encryption X.509

Andreas Sperber

Published on 21.03.2017 in the category Communication Security published.

Why Do We Trust Certificate Authorities?

Certificate authorities are an essential component of today's World Wide Web. We place great trust in them despite worrying incidents. (read more)

Authentication Blockchain Certificate Transparency (CT) DANE DNS-based Authentication of Named Entities HTTP Strict Transport Security (HSTS) Man-In-The-Middle (MIM) Public Key Infrastructure (PKI) Encryption X.509

Armin Harbrecht

Published on 19.10.2016 in the category Web Application Security published.

HTTPS on the Rise - Why everyone must switch their site to HTTPS in 2017

Encrypted communication via HTTPS was long only for highly secure web applications. Soon, however, Google will penalize unencrypted websites. (read more)

Apache Man-In-The-Middle (MIM) nginx Public Key Infrastructure (PKI) SSL-Stripping Encryption Webserver X.509

Andreas Sperber

Published on 13.10.2016 in the category Data Security published.

Ransomware: Pay the Ransom or Not?

Negotiating with extortionists makes you vulnerable. In the event of a cryptotrojan infection, should the ransom be paid or not? (read more)

Advanced Persistent Threats (APT) Cryptolocker Cryptowall • CryptoDefense CryptXXX • UltraCrypter Encryption Trojan • Cryptotrojan Incident Response Jigsaw • CryptoHitman Locky Malware Petya Ransomware Social Engineering TeslaCrypt Trojan Encryption

Andreas Sperber

Published on 14.06.2016 in the category Data Security published.

Infection by a Cryptovirus

In the aramido security laboratory, we infected ourselves with a ransomware trojan and show what a cryptolocker would do to your data. (read more)

Advanced Persistent Threats (APT) Cryptolocker Cryptowall • CryptoDefense CryptXXX • UltraCrypter Encryption Trojan • Cryptotrojan Incident Response Jigsaw • CryptoHitman Locky Petya Ransomware TeslaCrypt Trojan Encryption Virus

Armin Harbrecht

Published on 21.05.2016 in the category Data Security published.

Kidnapping 2.0 - Ransomware on the Rise

Cryptotrojans cause significant damage to companies. With the article series on ransomware, aramido reports on the background of the acute threat situation. (read more)

Bitcoin Cryptolocker Cryptowall • CryptoDefense CryptXXX • UltraCrypter Encryption Trojan • Cryptotrojan Jigsaw • CryptoHitman Locky Malware Petya Ransomware TeslaCrypt Trojan Encryption

Andreas Sperber

Published on 19.05.2016 in the category Network Security published.

SWR2: How to Use WLAN Securely

SWR interviewed Andreas Sperber from aramido and other experts at the 2016 Anti-Prism Party, reporting on "How to use WLAN securely". (read more)

Anti-Prism Best Practice Guide Evil Twin KARMA OpenWRT PRISM ⚡ Break Probe Request Radio Relay Router SSID Monitoring Event Encryption WLAN WPA2 WPS

Andreas Sperber

Published on 20.04.2016 in the category Network Security published.

Five Myths About Secure WLAN Networks

There are many recommendations for secure WLAN networks. Some should be followed, while others are considered myths. We show what is true and what is not. (read more)

DHCP Evil Twin Hardening KARMA KeePass MAC Address Password Probe Request Radio Relay SSID Encryption WLAN WPA2 WPS