DependSys2017 is an international symposium for presenting and discussing emerging ideas and trends, algorithms and applications, systems design techniques, platforms and tools, as well as measurement assessment tools in all aspects of Dependability, which include (but are not limited to) the following list:(1) Fundamentals and Technologies Concepts, theory, principles, standardization and modelling, and methodologies for dependability Security and privacy Anomaly detection and protection Dependability of sensor, wireless, and Ad-hoc networks dependability in mobile computing Dependability of software defined networks (SDN) Dependability issues in clouds (e.g., cloud storage, computing) Software and hardware dependability Reliability and fault-tolerant computing Dependability by virtualization Dependability in distributed scheduling and resource management Dependability issues in parallel and distributed databases Dependability issues in autonomic computing Dependable Biocomputing, Quantum computing, etc. Dependable big data foundation and management Big data privacy and security Dependable IoT supporting technologies Social networks and crowdsensing (2) Systems Dependable sensor systems Dependability and availability issues in distributed systems Cyber-physical systems (e.g. networked embedded systems, automotive, aerospace, healthcare, smart grid systems) Dependability issues in socio-technical systems Dependability issues in database and transaction processing systems Safety and security in distributed computing systems Self-healing, self-protecting, and fault-tolerant systems IoT smart sensors and systems RFID Systems Reliability issues in long-distance telemetry of distributed sensor systems Dependability in automotive systems Dependable computing clouds for cyber-physical systems Dependable integration between sensor systems and the cloud Dependability in big data systems Safety-critical systems and software Software system security (3) Applications Sensor and robot applications, sensor network applications Big data applications Cloud computing applications Datacenter monitoring Safety care, medical care and services, IoT-based healthcare Aerospace, industrial, and transportation applications IoT Energy, smart grid, and utility applications Scientific applications e-commerce and e-government Activity monitoring Mobile sensing applications, detection and tracking (4) Measures and Assessments Dependability metrics and measures for safety, trust, faith, amenity, easiness, comfort, and worry Dependability levels and relations, assessment criteria and authority Dependability assessment standards Dependability measurement, modeling, evaluation, and tools Dependability evaluation of parallel, distributed systems Software and hardware reliability, testing, verification and validation Evaluation of fault-tolerant systems Evaluations and tools of anomaly detection and protection in sensor, cloud, big data systems Experimental performance of parallel & distributed systems Practical experiences and prototypes