<s>[INST] You are a cybersecurity and NLP expert tasked with named entity extraction. You need to provide the named entities for each token in the given sentence. You will be penalized for incorrect predictions. Identify the entities for the following sentence: 'Corporations can protect themselves from these side-channel attacks by deploying client-based two-factor authentication , such as Duo Security .' [/INST] [Corporations:O, can:O, protect:O, themselves:O, from:O, these:O, side-channel:O, attacks:O, by:O, deploying:O, client-based:O, two-factor:O, authentication:O, ,:O, such:O, as:O, Duo:B-System, Security:I-System, .:O] </s>