Field notes
The Ciphar Blog
Dispatches on encryption, privacy, and operational security — from the team behind Ciphar.
Best Instant Messenger on Linux: Top 10 Secure Apps for 2026
Find the best secure instant messenger on Linux for 2026. Compare top apps and choose the right one for your privacy needs.
22 min read
Lawyer Client Confidentiality Guide for Modern Communication
Discover how lawyer client confidentiality differs from privilege, learn legal exceptions, and get practical tips for secure modern communications.
16 min read
10 Best Privacy Messaging App Solutions for Secure Chat
Explore the 10 best privacy messaging app solutions for secure, anonymous, and ephemeral chats. Compare features, threat-model suitability, and usage tips.
20 min read
Secure Your Chats: Disappearing Messages App Guide 2026
Discover the best disappearing messages app for ultimate privacy in 2026. Learn how to secure your conversations and ensure your chats vanish. Get started
15 min read
Healthcare Data Protection: Your 2026 Guide to Safeguards
A complete guide to healthcare data protection in 2026. Learn about HIPAA/GDPR rules, technical safeguards like encryption, and how to mitigate breach risks.
18 min read
How to Prevent Brute Force Attacks: A 2026 Guide
Learn how to prevent brute force attacks with our 2026 guide. We cover rate limiting, MFA, active defense, and unique strategies for identity-free systems.
16 min read
Enterprise Communications Solution: A 2026 Buyer's Guide
Find the right enterprise communications solution. This guide covers features, security models, evaluation criteria, and privacy-first use cases for 2026.
19 min read
Your Guide to Phone Number Privacy
Learn how your phone number exposes you and what you can do to protect it. Our guide to phone number privacy covers threats, tools, and strategies for 2026.
17 min read
ChatGPT Browser: Use Safely & Find Private Alternatives
Grasp the ChatGPT browser feature: understand its security risks & find privacy-first alternatives for sensitive tasks. Stay safe in 2026.
20 min read
Data Processing Agreement a Complete Guide for 2026
Learn what a data processing agreement (DPA) is, when you need one under GDPR, and what essential clauses to include. Our 2026 guide covers ephemeral services.
24 min read
How to Get ISO 27001 Certified: A Practical Roadmap
Learn how to get ISO 27001 certified with our step-by-step guide. Covers costs, timelines, audits, and special tips for zero-knowledge privacy services.
22 min read
How to Delete Chat on Ciphar: Permanently Erase Your Data
Learn how to delete chat in Ciphar permanently. Our 2026 guide covers manual burn, session expiry, and verifying total erasure on zero-knowledge servers.
14 min read
Where Are Archived Messages: Your Guide to Finding Chats
Discover where are archived messages in Gmail, WhatsApp, and Signal. Learn how to find them quickly and understand why some chats disappear forever.
13 min read