1. Privacy, Security and Confidentiality for Calls, Texts and Contact Lists Secure Mobile Communications

2. The Problem The cost and complexity of intercepting mobile calls has been reducing while the range of people involved in this practice has been increasing. Calls, texts and contact lists can be compromised using relatively inexpensive and easily obtained equipment and software. Targets for mobile phone call interception are not limited to high profile individuals. Commercial and industrial businesses with valuable intellectual property to protect, financial institutions, legal firms, and public sector organisations are considered high value targets. Communicating without any form of encryption or protection is now a dangerous proposition.

3. Secure mobile handset in conjunction with HTC HD2 -5c handset running a hardened version of Windows mobile Complete end to end Security for Voice and SMS messages – including the Air interface. Encryption with Two levels of security AES 256 and Twofish. Cryptographic key exchange Secure and unsecure numbers – (Single SIM – Dual IMSI) Easy to use secure screen – similar to standard display Secure contacts, notes etc Remote wipe – if device lost or stolen Use your existing SIM and number (SIM needs data support) Use an Anvil SIM with a land line number Optional SiRRAN SIM has embedded SIMcrypto – Black and white lists of world wide Cells – preventing rogue Cells from acquiring your phone N.B. The device has a heartbeat connection to the SiRRAN private network. This uses around 4 to 5 megabytes a day. I hour talk time = around 1 megabyte The Solution

4. Third Third party Use Existing SIM (requires data plan) SIM Agnostic Solution – use your existing SIM and number for unsecure calls. Secure calling number will be supplied with the handset. Enables Corporate SIM usage In Country SIM usage Anvil SIM Aggressive rates for Voice and Data UK land line number with local area code of choice Calls in and out at land line rates SiRRAN SIMcrypto™ UK & International Roaming for exceptional coverage Embedded SIMcrypto™ application prevents acquisition by rogue cells Fixed IP (device-to-device support) Fixed / Secure APN

5. Handset – HTC HD2 and HD2 mini Operating System – Win Mobile 6.5 Secure Cellular core network infrastructure provided by SiRRAN 24 month contract UK Price Options – Handset Included Per Month SIM FREE – Third Party SIM, voice, data and text rates apply £109.95 Anvil SIM – secure calls at 10p per minute, secure texts at 10p per text £119.95 Anvil SIM – unlimited secure calls and texts within the UK £199.95 SiRRAN SIMCrypto SIM – roaming rates for voice and data apply £119.95 Prices exclude VAT Third party SIMs need to have data enabled