Artificial intelligence-based cybersecurity firm Darktrace has raised $50 million in a Series E funding round at a $1.65 billion valuation, according to a prepared statement. Darktrace intends to use the funding to drive international expansion and development.Furthermore, Darktrace has grown its employee headcount by 60 percent in the last 12 months and has over 750 employees worldwide, the company said. It also has opened eight new offices, tripled the size of its Asian headquarters and expanded its British research and development center in the last year.In addition to its Series E funding, Darktrace this month announced a new version of its Antigena AI-powered autonomous response technology.The Antigena version 2 release includes a variety of new features, including:Autonomous response for cloud, network and email attacks. Email module that blocks threats at entry points. Orchestration with various firewalls and switches. Antigena today is used to identify cyber threats in over 7,000 networks, Darktrace said. It has been deployed by organizations in 105 countries.Darktrace Cloud: Offers real-time threat detection and visibility in Amazon Web Services (AWS), Microsoft Azure and other cloud environments. Darktrace Enterprise: Combines real-time threat detection, network visualization and advanced investigation capabilities into a single unified system. Darktrace Industrial: Provides real-time visibility across industrial and enterprise networks. Darktrace SaaS: Uses self-learning technology to identify developing threats and anomalous behavior in software-as-a-service (SaaS) applications. Darktrace also offers the Darktrace Partner Program for MSSPs, value-added resellers (VARs) and other technology resellers. This program enables Darktrace partners to deliver EIS-based offerings to organizations worldwide.