NORDSEC 2021 THE 26TH NORDIC CONFERENCE ON SECURE IT SYSTEMS, https://events.tuni.fi/nordsec2021/cfp VIRTUAL, NOVEMBER 29-30, 2021. (SUBMISSIONS DUE 23RD AUGUST 2021) NordSec is an annual research conference series that has been running since 1996. The NordSec conferences address a broad range of topics on IT security. The events bring together security researchers from the Nordic countries, Northern Europe, and beyond. In addition to being venue for academic publishing, NordSec is an important meeting place for university faculty, students, and industry experts from the region. The proceedings consist of peer-reviewed articles and are published in the Springer Lecture Notes in Computer Science series. NordSec addresses a broad range of topics within IT security with the aim of bringing together computer security researchers and encouraging interaction between academia and industry. Possible topics include, but are not limited to: - Access control and security models - Applied cryptography - Blockchains - Cloud security - Cryptanalysis - Cryptographic protocols - Cyber crime, warfare, and forensics - Economic, legal, and social aspects of security - Formal analysis - Hardware and smart card security - Information flow security - Intrusion detection and mitigation - Language-based security - Mobile, embedded, and Internet of Things security - Operating System security - Privacy and anonymity - Security and machine learning - Security education and training - Security management and audit - Security metrics - Security protocols - Security usability - Social engineering and phishing - Software security and malware - Threat modelling - Trust and identity management - Trusted computing - Vulnerability testing - Web application security For more information, please see https://events.tuni.fi/nordsec2021/cfp .