Aggrotech (also known as Hellektro in Europe) is a harsh derivative genre of dark electro and an evolution of Electronic Body Music (EBM) that emerged in the mid-to-late 1990s. Along with EBM and Futurepop, it became one of the defining genres of the Cybergoth subculture in the mid-to-late 2000s, so its aesthetics overlap significantly with neon-industrial styles. However, Aggrotech is distinguished by a uniquely more aggressive and violent visual aesthetic, often favoring disturbing, apocalyptic, and militaristic imagery over generic club aesthetics, especially on album art and artist presentation.

The genre is characterized as an aggressive evolution of Electronic Body Music (EBM), merging harsh 4/4 beats and fast tempos with influences from Techno, Trance, and Power Noise. The name is a combination of "aggressive" and "techno" (or technology) and was coined by the San Francisco industrial club "Aggrotech" in 1990.

Mexican band Hocico is regarded as a pioneer, blending aggressive rhythmic beats with distorted vocal effects. During the mid-2000s, the genre reached its underground peak alongside the rise of Cybergoth , popularized by acts like Combichrist, Aesthetic Perfection, and Suicide Commando.

In contrast to the vibrant and rave -influenced neon colors typical of standard Cybergoth , the visual aesthetic of Aggrotech is defined by a significantly more aggressive and apocalyptic tone. The aesthetic relies heavily on tactical and military themes, frequently incorporating urban warfare imagery and heavy machinery into its artwork. This is often paired with extensive biohazard motifs, such as radiation symbols and the pervasive use of gas masks, to evoke an "end of the world" atmosphere. Furthermore, Aggrotech cover art is characterized by its exploration of taboo and disturbing subjects, ranging from medical horror and misanthropy to stylized depictions of violence.

The genre's philosophical intent is rooted in a performative misanthropy and techno-nihilism. The lyrics and imagery frequently explore themes of hate, violence, societal collapse, and the darker side of human nature. Unlike Punk , which is often politically motivated, Aggrotech's aggression is typically theatrical and apolitical, aiming for shock value and catharsis rather than a specific political agenda. It embraces the concept of the "technological apocalypse," viewing the fusion of man and machine as a horrifying inevitability rather than a utopian future.

The musical structure relies on fast, danceable 4/4 rhythms (typically 110–140 BPM) influenced by Techno and Trance. The defining characteristic is the "harsh" vocal processing, where lyrics are screamed through heavy distortion and pitch-shifting effects to sound robotic or demonic. Synthesizers are aggressive, utilizing "supersaw" waves and heavy compression.

Aggrotech is often confused with its parent genre (EBM) and the subculture that frequently listens to it ( Cybergoth ). The following table outlines the key differences between these three distinct concepts: