SiO4 Announces Joseph Assaf Turner as Chief Intelligence Officer and Member of the Board of Directors

LONDON, UNITED KINGDOM – August 28, 2018 – SiO4 Limited an industry-leading provider of specialised advanced cyber threat intelligence services, today announced the appointment of Joseph Assaf Turner as chief intelligence officer for SiO4 Limited. Turner will oversee the company’s global threat intelligence and professional services operations from Jerusalem, Israel.

In his role, Turner will deliver and verify OSINT, internally and externally-sourced threat intelligence from Dark Web operatives and researchers and lead an exclusive and highly specialised team to support SiO4’s SAFE HOUSE professional services offerings to its global customer base. Turner will leverage over 15 years of cybersecurity experience and proven track record as the founder of Maya Security. In addition, Turner will also sit on SiO4’s board of directors.

“Joseph is a well-respected member of the cybersecurity community and we are excited to have him join SiO4 as our chief intelligence officer and member of the board of directors,” said Andrew Speakmaster, CTO and Founder of SiO4. “His vast cybersecurity experience will be a great asset and instrumental in taking SiO4 to the next level to deliver accurate and contextual threat intelligence while expanding our professional services offering to our prospects and customers globally.”

Turner is the founder of Maya Security and has 20 years of experience in the IT and information security industry and helps organisations realize their business goals and objectives safely in the cyber environment through effective cyber risk management. He holds an MBA from Baruch’s Zicklin school of business in New York City and is certified in information security management and governance.

About SiO4
SiO4 provides specialised advanced cyber threat intelligence services, not threat information like other vendors. With an elite team of operatives and researchers that engage threat actors in the Dark Web and underground economy, SiO4 delivers comprehensive, actionable and contextual threat intelligence focusing on preemptive breach intelligence, network exposure, compromised data, risk mitigation, social engineering, employee/physical location vulnerabilities and Dark Web surveillance in a cost-effective and scalable modular set of real-time services that act as an extension of an organisation’s IT security team. SiO4 prides itself on delivering excellence to its clients by meeting their exacting cyber threat intelligence needs. Protection is mandatory, detection and prevention are everything. For more information, please visit

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