Security Insights & Updates
Stay informed with the latest developments in secure communications, industry insights, and Cellcrypt product updates.
Securing VoIP & VVoIP in 2025: From SIP Floods to Quantum Decryption
Global VoIP/VVoIP threats—from SIP floods and DDoS to harvest-now, decrypt-later—are rising fast. This definitive 2025 guide explains the risks, real breaches, standards, and the practical roadmap to harden voice and video communications now.
How to Send Documents Securely Over the Internet: Protecting Sensitive Files with Cellcrypt
In 2025, sending files securely is no longer optional—it's essential. Whether you're sharing legal contracts, personal records, business plans, or financial data, unencrypted documents are vulnerable to breaches, interception, and accidental leaks.
Why use Secure Out-of-Band Communication for Cyber Incidents
Discover why secure out-of-band communication channels are mission critical for effective cybersecurity incident response. Learn how dedicated communication systems protect your crisis communications when primary networks are compromised.
Dirtboxes – Securing Communications Against Fake Cellular Towers
In recent months, alarming news has emerged from Australia, where criminals have been using inexpensive, easily deployable devices known as "dirtboxes" to mimic legitimate cell towers. These rogue devices can intercept calls, text messages, and other cellular communications.
WhatsApp vs. Cellcrypt: Secure Messaging for Businesses
How secure messaging apps handle user data is important. In this brief article, we'll compare WhatsApp, owned by Meta, and Cellcrypt, an enterprise-focused communication platform. We'll look at their different approaches to data collection and privacy, especially metadata.
Sending Documents Securely - The Hidden Risks of Relying on Email
Email is at the heart of modern business, enabling everything from routine status updates to high-stakes contract negotiations. It's so ingrained in our daily workflows that we rarely stop to think about its security—much less realize that the technology was never truly designed to protect our most sensitive information.
Store Now, Decrypt Later — The Quantum Computing Threat
In cybersecurity, a new and serious attack has emerged: "Store Now, Decrypt Later" (SNDL). Enabled by the rapid progress of quantum computers, this strategy could make much of today's encrypted data vulnerable in the not-so-distant future.
Beyond RSA: The Evolution of Encryption in the Quantum Age
As we peer into this future, it's crucial to understand where we've been, where we are, and where we're headed in the realm of encryption. Let's embark on a journey through the history of encryption and explore how it's adapting to face the quantum challenge.
Post-Quantum Encrypted Calls: Lessons from Salt Typhoon
In recent months, a hacking group known as "Salt Typhoon" has infiltrated several U.S. internet and telecoms service providers, including major companies like AT&T, Verizon, and Lumen Technologies. These breaches have raised significant concerns about the security of telecommunications infrastructure.
The Risks of Consumer 'Secure' Messaging Apps
The Salt Typhoon cyberattacks represent a pivotal moment for organizations in critical infrastructure, enterprise, and government sectors. These sophisticated attacks exposed fundamental vulnerabilities in global telecommunications networks and interconnected systems.
Is It Safe to Send Sensitive Information by Text?
Text messaging has become second nature in our daily lives—it's fast, convenient, and feels private. But when it comes to sharing sensitive information, many people ask, is texting secure? Understanding the vulnerabilities of standard SMS can help protect your data.
Securing Voice Calls: Why End-to-End Encryption Matters
The recent Salt Typhoon hack is a stark reminder that secure communication is no longer optional. For businesses and government agencies handling sensitive information, encrypted voice calls and messages are essential tools—not luxuries.