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In the civil aviation certification the software has an unlike treatment due to its peculiarities and also for being a relatively new item. There is no specific software certification requirement in the FAR – FAR 33.28 is the only section that mentions the word software. The FAA recognizes the considerations presented in RTCA/DO-178B as an acceptable means for approval of software used in airborne...
In order to deal with shortcomings of security management systems, this work proposes a methodology based on agents paradigm for cybersecurity risk management. In this approach a system is decomposed in agents that may be used to attain goals established by attackers. Threats to business are achieved by attacker's goals in service and deployment agents. To support a proactive behavior, sensors linked...
Detecting and defending against Multi-Stage Advanced Persistent Threats (APT) Attacks is a challenge for mechanisms that are static in its nature and are based on blacklisting and malware signature techniques. Blacklists and malware signatures are designed to detect known attacks. But multi-stage attacks are dynamic, conducted in parallel and use several attack paths and can be conducted in multi-year...
The Brazilian air traffic service is constituted by a civil and a military organization, which provide tracking (radar), voice and data communication (VHF, UHF and HF) services, through an integrated network. To optimize the management of its air traffic system, Brazil divides the airspace into four independent Regional Centers. In each of these regions, the existing sensors (radars and radios) send...
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