QNAP Systems, Inc. () is a Taiwanese corporation that specializes in network-attached storage (NAS) appliances used for file sharing, virtualization, storage management and surveillance applications. Headquartered in Xizhi District, New Taipei City, Taiwan, QNAP has offices in 16 countries and employs over 1000 people around the world.
QNAP became a member of the Intel Intelligent Systems Alliance in 2011.
QNAP, which stands for Quality Network Appliance Provider, originally existed as a department within the IEI Integration Corporation, an industrial computing service provider located in Taiwan. In 2004, QNAP Systems Inc. was spun off into a separate company.
QNAP primarily produces Network-Attached Storage (NAS) appliances. The company also produces Network Video Recorders (NVR) and a series of networking equipment.
In 2021, SAM security group reported that it had discovered critical vulnerabilities in QNAP NAS devices. SAM security group said that these would mean that remote attackers could "execute arbitrary shell commands ... [or] create arbitrary file data on any (non-existing) location ... [or] execute arbitrary commands on the remote NAS". The company said that it had informed QNAP of the vulnerabilities in 2020 but that, four months after being informed, QNAP had not addressed them. The article was later updated to clarify that QNAP had resolved the problems for the most recent devices, but not for older systems, and then that QNAP had revised and released firmware for older devices.
These critical vulnerabilities were reported by Bleeping Computer to be implicated in a massive ransomware attack on QNAP NAS devices in April 2021. This attack, named "Qlocker", compressed all files smaller than 20 MiB into 7z files using 7-Zip with a 32 character long password. In order to retrieve the password, users had to access an .onion webpage and pay 0.01 BTC. This cost users at least US$260,000.
In January 2022 some QNAP NAS devices were affected by a ransomware infection known as DeadBolt. There were further attacks in March and May 2022.
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