HelixCipher https://HelixCipher.github.io/pages/ 2026-04-19T17:37:42.574Z Thoughts on security, code, and design. Building a Cipher Engine from Scratch https://HelixCipher.github.io/pages/blog/building_cipher_engine 2026-04-19T00:00:00Z Exploring the fundamentals of encryption by building a substitution cipher engine in TypeScript. Do You Know What Your Model Is Doing Right Now? https://HelixCipher.github.io/pages/blog/do_you_know_what_your_model_is_doing_right_now 2026-04-19T00:00:00Z Do You Know What Your Model Is Doing Right Now? Exploring Emoji-Based Prompt Manipulation in LLMs https://HelixCipher.github.io/pages/blog/exploring_emoji_based_prompt_manipulation_in_llms 2026-04-19T00:00:00Z Exploring Emoji-Based Prompt Manipulation in LLMs From Prompt Injection to Data Leaks: Securing LLMs in Production https://HelixCipher.github.io/pages/blog/from_prompt_injection_to_data_leaks_securing_llms_in_production 2026-04-19T00:00:00Z From Prompt Injection to Data Leaks: Securing LLMs in Production How to Train Your Antivirus: RL to harden malware detectors https://HelixCipher.github.io/pages/blog/how_to_train_your_antivirus_rl_to_harden_malware_detectors 2026-04-19T00:00:00Z How to Train Your Antivirus: RL to harden malware detectors LANTENNA — exfiltrating data from air-gapped systems via Ethernet cables https://HelixCipher.github.io/pages/blog/lantenna_exfiltrating_data_from_air_gapped_systems_via_ethernet_cables 2026-04-19T00:00:00Z LANTENNA — exfiltrating data from air-gapped systems via Ethernet cables Models that deliberately withhold or distort information despite knowing the truth https://HelixCipher.github.io/pages/blog/models_that_deliberately_withhold_or_distort_information_despite_knowing_the_truth 2026-04-19T00:00:00Z Models that deliberately withhold or distort information despite knowing the truth. One Click Is All It Takes: Inside Copilot’s “Reprompt” Vulnerability https://HelixCipher.github.io/pages/blog/one_click_is_all_it_takes_inside_copilots_reprompt_vulnerability 2026-04-19T00:00:00Z One Click Is All It Takes: Inside Copilot’s “Reprompt” Vulnerability RAG vs Long-Context: how should you give LLMs your private data? https://HelixCipher.github.io/pages/blog/rag_vs_long_context_how_should_you_give_LLMs_your_private_data 2026-04-19T00:00:00Z RAG vs Long-Context: how should you give LLMs your private data? Seeing Humans in 3D Through Wi‑Fi: A Approach to Body Mesh Reconstruction https://HelixCipher.github.io/pages/blog/seeing_humans_in_3d_through_wifi_a_approach_to_body_mesh_reconstruction 2026-04-19T00:00:00Z Seeing Humans in 3D Through Wi‑Fi: A Approach to Body Mesh Reconstruction Solid-Channel Ultrasound Injection Attack and Defense to Voice Assistants https://HelixCipher.github.io/pages/blog/solid-channel ultrasound_injection_attack_and_defense_to_voice_assistants 2026-04-19T00:00:00Z Solid-Channel Ultrasound Injection Attack and Defense to Voice Assistants Solid-Channel Ultrasound Injection Attack and Defense to Voice Assistants https://HelixCipher.github.io/pages/blog/solid_channel_ultrasound_injection_attack_and_defense_to_voice_assistants 2026-04-19T00:00:00Z Solid-Channel Ultrasound Injection Attack and Defense to Voice Assistants Terminal UI: A Design Philosophy https://HelixCipher.github.io/pages/blog/terminal_ui_design_philosophy 2026-04-19T00:00:00Z Why terminal-inspired design is more than aesthetic—it's a philosophy of focused, efficient interfaces. The CAPTCHA Lie: How “Human Checks” Are Being Weaponized https://HelixCipher.github.io/pages/blog/the_captcha_lie_how_human_checks_are_being_weaponized 2026-04-19T00:00:00Z The CAPTCHA Lie: How “Human Checks” Are Being Weaponized This AI Listens… and Knows What You Typed https://HelixCipher.github.io/pages/blog/this_ai_listens_and_knows_what_you_typed 2026-04-19T00:00:00Z This AI Listens… and Knows What You Typed Threat Modeling Agentic AI Systems: Proactive Strategies for Security and Resilience https://HelixCipher.github.io/pages/blog/threat_modeling_agentic_ai_systems_proactive_strategies_for_security_and_resilience 2026-04-19T00:00:00Z Threat Modeling Agentic AI Systems: Proactive Strategies for Security and Resilience Running SQLite in the Browser with WASM https://HelixCipher.github.io/pages/blog/wasm-sqlite-browser 2026-04-19T00:00:00Z How to use sql.js to run SQLite databases entirely in the browser using WebAssembly. What If Privacy Is a Habit, Not a Tool? https://HelixCipher.github.io/pages/blog/what_if_privacy_is_a_habit_not_a_tool 2026-04-19T00:00:00Z What If Privacy Is a Habit, Not a Tool? What If Safety Training Teaches the Model to Hide Better? https://HelixCipher.github.io/pages/blog/what_if_safety_training_teaches_the_model_to_hide_better 2026-04-19T00:00:00Z What If Safety Training Teaches the Model to Hide Better? What Your Bluetooth Accessories Can Reveal Without You Knowing https://HelixCipher.github.io/pages/blog/what_your_bluetooth_accessories_can_reveal_without_you_knowing 2026-04-19T00:00:00Z What Your Bluetooth Accessories Can Reveal Without You Knowing When Brain Signals Become Stories: Reconstructing Dreams with AI https://HelixCipher.github.io/pages/blog/when_brain_signals_become_stories_reconstructing_dreams_with_ai 2026-04-19T00:00:00Z When Brain Signals Become Stories: Reconstructing Dreams with AI When browser extensions become live surveillance https://HelixCipher.github.io/pages/blog/when_browser_extensions_become_live_surveillance 2026-04-19T00:00:00Z When browser extensions become live surveillance When light becomes a weapon: laser-based command injection attacks on voice assistants https://HelixCipher.github.io/pages/blog/when_light_becomes_a_weapon_laser_based_command_injection_attacks_on_voice_assistants 2026-04-19T00:00:00Z When light becomes a weapon: laser-based command injection attacks on voice assistants When Phishing Learns to Think: AI-Powered Kits and the Next Wave of Account Takeovers https://HelixCipher.github.io/pages/blog/when_phishing_learns_to_think_ai_powered_kits_and_the_next_wave_of_account_takeovers 2026-04-19T00:00:00Z When Phishing Learns to Think: AI-Powered Kits and the Next Wave of Account Takeovers When Storage Becomes Biology, Security Stops Being Purely Digital https://HelixCipher.github.io/pages/blog/when_storage_becomes_biology_security_stops_being_purely_digital 2026-04-19T00:00:00Z When Storage Becomes Biology, Security Stops Being Purely Digital When Your Mouse Becomes a Microphone https://HelixCipher.github.io/pages/blog/when_your_mouse_becomes_a_microphone 2026-04-19T00:00:00Z When Your Mouse Becomes a Microphone Who Designs the Future of AI When AI Designs Itself? https://HelixCipher.github.io/pages/blog/who_designs the_future_of_ai_when_ai_designs_itself 2026-04-19T00:00:00Z Who Designs the Future of AI When AI Designs Itself? Who’s Really Controlling Your Hiring Algorithm? https://HelixCipher.github.io/pages/blog/whos_really_controlling_your_hiring_algorithm 2026-04-19T00:00:00Z Who’s Really Controlling Your Hiring Algorithm? Zero-Day Exploit in the Wild https://HelixCipher.github.io/pages/blog/zero_day_exploit_in_the_wild 2026-04-19T00:00:00Z Zero-Day Exploit in the Wild