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How Adversarial ML Can Turn An ML Model Against Itself

Discover the main types of adversarial machine learning attacks and what you can do to protect yourself.

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how adversarial ml can turn an ml model against itself

Machine learning (ML) is at the very center of the rapidly evolving artificial intelligence (AI) landscape, with applications ranging from cybersecurity to generative AI and marketing. The data interpretation and decision-making capabilities of ML models offer unparalleled efficiency when you’re dealing with large datasets. As more and more organizations implement ML into their processes, ML models have emerged as a prime target for malicious actors. These malicious actors typically attack ML algorithms to extract sensitive data or disrupt operations.

What Is Adversarial ML?

Adversarial ML refers to an attack where an ML model’s prediction capabilities are compromised. Malicious actors carry out these attacks by either manipulating the training data that is fed into the model or by making unauthorized alterations to the inner workings of the model itself.

How Is An Adversarial ML Attack Carried Out?

There are three main types of adversarial ML attacks:

Data Poisoning

Data poisoning attacks are carried out during the training phase. These attacks involve infecting the training datasets with inaccurate or misleading data with the purpose of adversely affecting the model’s outputs. Training is the most important phase in the development of an ML model, and poisoning the data used in this step can completely derail the development process, rendering the model unfit for its intended purpose and forcing you to start from scratch.

Evasion

Evasion attacks are carried out on already-trained and deployed ML models during the inference phase, where the model is put to work on real-world data to produce actionable outputs. These are the most common form of adversarial ML attacks. In an evasion attack, the attacker adds noise or disturbances to the input data to cause the model to misclassify it, leading it to make an incorrect prediction or provide a faulty output. These disturbances are subtle alterations to the input data that are imperceptible to humans but can be picked up by the model. For example, a car’s self-driving model might have been trained to recognize and classify images of stop signs. In the case of an evasion attack, a malicious actor may feed an image of a stop sign with just enough noise to cause the ML to misclassify it as, say, a speed limit sign.

Model Inversion

A model inversion attack involves exploiting the outputs of a target model to infer the data that was used in its training. Typically, when carrying out an inversion attack, an attacker sets up their own ML model. This is then fed with the outputs produced by the target model so it can predict the data that was used to train it. This is especially concerning when you consider the fact that certain organizations may train their models on highly sensitive data.

How Can You Protect Your ML Algorithm From Adversarial ML?

While not 100% foolproof, there are several ways to protect your ML model from an adversarial attack:

Validate The Integrity Of Your Datasets

Since the training phase is the most important phase in the development of an ML model, it goes without saying you need to have a very strict qualifying process for your training data. Make sure you’re fully aware of the data you’re collecting and always make sure to verify it’s from a reliable source. By strictly monitoring the data that is being used in training, you can ensure that you aren’t unknowingly feeding your model poisoned data. You could also consider using anomaly detection techniques to make sure the training datasets do not contain any suspicious samples.

Secure Your Datasets

Make sure to store your training data in a highly secure location with strict access controls. Using cryptography also adds another layer of security, making it that much harder to tamper with this data.

Train Your Model To Detect Manipulated Data

Feed the model examples of adversarial inputs that have been flagged as such so it will learn to recognize and ignore them.

Perform Rigorous Testing

Keep testing the outputs of your model regularly. If you notice a decline in quality, it might be indicative of an issue with the input data. You could also intentionally feed malicious inputs to detect any previously unknown vulnerabilities that might be exploited.

Adversarial ML Will Only Continue To Develop

Adversarial ML is still in its early stages, and experts say current attack techniques aren’t highly sophisticated. However, as with all forms of tech, these attacks will only continue to develop, growing more complex and effective. As more and more organizations begin to adopt ML into their operations, now’s the right time to invest in hardening your ML models to defend against these threats. The last thing you want right now is to lag behind in terms of security in an era when threats continue to evolve rapidly.

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Adobe Teases New AI Editing Tools And Updates In Premiere Pro

The video editing app will be enhanced with a generative extend tool, text-to-video, improved timeline waveforms, and more.

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adobe teases new ai editing tools and updates in premiere pro
Adobe

After launching the generative AI model Firefly last year, Adobe is now showcasing how the technology will be used in upcoming versions of the editing app Premiere Pro. In an early sneak peek, the company demonstrated several new features, including Object Addition and Removal, Generative Extend, and Text to Video.

The first new feature, Generative Extend, targets a common video editing problem by using AI to “Seamlessly add frames to make clips longer, so it’s easier to perfectly time edits and add smooth transitions”.

Meanwhile, Premiere Pro’s Object Addition & Removal tool will leverage Firefly’s generative AI to “Simply select and track objects, then replace them. Remove unwanted items, change an actor’s wardrobe or quickly add set dressings such as a painting or photorealistic flowers on a desk,” Adobe states.

Adobe also showcased another new feature that can automatically generate new film clips using a text prompt. To use the content creation tool, editors can “Simply type text into a prompt or upload reference images. These clips can be used to ideate and create storyboards, or to create B-roll for augmenting live action footage,” Adobe explained. The company seems to be commercializing this particular feature extremely quickly, considering generative AI video only appeared a few months ago.

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The new additions to Premiere Pro will be added later this year, but Adobe is also introducing smaller improvements to the editing app in May. The changes include interactive fade handles to enable easier transitions, an Essential Sound badge that uses AI to “automatically tag audio clips as dialogue, music, sound effects or ambience, and add a new icon so editors get one-click, instant access to the right controls for the job”, along with effect badges and a new look for waveforms in the timeline.

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