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Cleverhans

CleverHans is an open-source Python library for benchmarking machine-learning systems’ vulnerability to adversarial examples, with reference implementations of attacks and defenses.

Independent OpenViST project profile, based on linked sources.

Cleverhans — OpenViST project profile in AI Security & Safety.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use CleverHans when you have a machine-learning model and want reference attack or defense implementations for adversarial-robustness experiments.

Who it is for

  • Machine-learning researchers evaluating model robustness
  • Developers constructing adversarial examples or prototyping defenses
  • Educators and learners following the project’s MNIST and CIFAR-10 tutorials

Documented uses

  • Benchmark a model’s vulnerability to adversarial examples.
  • Construct adversarial examples using attack implementations.
  • Explore or evaluate defenses against adversarial attacks.
  • Study FGSM and PGD examples in the supplied tutorials.
Before you choose

Requirements & limits

The repository is public and MIT-licensed. Installation is documented through pip or by cloning the repository.

  • A JAX, PyTorch or TensorFlow 2 installation is a prerequisite.
  • The repository prioritizes implementing attacks in PyTorch while welcoming contributions for all three listed frameworks.
  • Tutorials can change without warning and are not treated as part of the library API.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install CleverHans with a supported framework

Set up the library after installing one of its documented machine-learning framework prerequisites.

Before you start

  • Python environment
  • At least one of JAX, PyTorch or TensorFlow 2

Steps

  1. Install JAX, PyTorch or TensorFlow 2.

  2. Install CleverHans with the command below.

    Documented command
    pip install cleverhans

Expected outcome

CleverHans is installed from the latest version uploaded to PyPI.

Guide limitations

  • The documented test setup lists Python 3.6, JAX 0.2, PyTorch 1.7 and TensorFlow 2.4 on Ubuntu 18.04; other setups are not specified as tested.
  • The guide covers installation, not execution of a benchmark.
Evidence and transparency

Sources & review

Source record details
Source availability
Active
Sources checked
15 October 2026
Original website title
cleverhans-lab/cleverhans · Official homepage title · retained in its source language