1 These are Ingredient-Strength combinations (e.g. Acetaminophen 250 MG). For details, download the source code for building DRUG_STRENGTH.  If you only want to use this table for drug and ingredient concepts that are valid (where the field INVALID_REASON is null), the DRUG_STRENGTH records can be used as such.
DEFINITION of 'Botnet'. A network of internet-connected devices that have been compromised by hackers without the knowledge of the legitimate owners.
Botnets sometimes compromise computers whose security defenses have been breached and control ceded to a third party. Each such compromised device, known as a bot, is created when a computer is penetrated by software from a malware (malicious software) distribution.