I also have 2 years theory and practical training in hardware and software and computer security and have acquaintance at the following below points and knowledge of short-term work abroad.OS X, knowledge of all hardware software, make changes through software patches and version updates. Redundant array of independent disks (RAID)Mac OS X Viruses and Data recovery software Apple with Ontrack EasyRecovery.Mac OS X 10.7 Lion, Mac OS X 10.6 Snow Leopard , OS X Yosemite en OS X El Capitan.Refresh DNS Cache (clear/flush) in MacOS en OS X.All Microsoft Windows versions viruses and restore data Recovery Solutions.Protection of computers, networks, network printers, network routers and internal servers against Malware Attacks ( Ransomware ) and Cyber attacks.Cyber Security, Managed Security, Network Vulnerabilities, Penetration Testing, Recent Cyber Attacks, Social Engineering.Ransomware Remediation, Ransomware recovery plan in safest way and access your system without any damage or lost of data. Recover data from crashed computers, laptops ( Windows, Mac ) hard drive including damaged hard drive.