Spectral Masking and Interpolation Attack (SMIA): a Black-Box Adversarial Attack against Voice Authentication and Anti-Spoofing Systems

Voice Authentication Systems VAS use unique vocal characteristics for verification. They are increasingly integrated into high-security sectors such as banking and healthcare. Despite their improvements using deep learning, they face severe vulnerabilities from sophisticated threats like deepfake...

A Survey of Threats against Voice Authentication and Anti-Spoofing Systems

Voice authentication has undergone significant changes from traditional systems that relied on handcrafted acoustic features to deep learning models that can extract robust speaker embeddings. This advancement has expanded its applications across finance, smart devices, law enforcement, and beyon...

Mitigating Backdoor Triggered and Targeted Data Poisoning Attacks in Voice Authentication Systems

Voice authentication systems remain susceptible to two major threats: backdoor triggered attacks and targeted data poisoning attacks. This dual vulnerability is critical because conventional solutions typically address each threat type separately, leaving systems exposed to adversaries who can...

A week in security (June 26 - July 2)

Last week on Malwarebytes Labs: A proxyjacking campaign is looking for vulnerable SSH servers New technique can defeat voice authentication "after only six tries" "Free" Evil Dead Rise movie scam lurks in Amazon listings Spyware app LetMeSpy hacked, tracked user data posted online Online safety...

New technique can defeat voice authentication "after only six tries"

Voice authentication is back in the news with another tale of how easy it might be to compromise. University of Waterloo scientists have discovered a technique which they claim can bypass voice authentication with "up to a 99% success rate after only six tries". In fact this method is apparently ...

Smart home assistants at risk from "NUIT" ultrasound attack

A new form of attack named "Near Ultrasound Inaudible Trojan" NUIT has been unveiled by researchers from the University of Texas. NUIT is designed to attack voice assistants with malicious commands remotely via the internet. Impacted assistants include Siri, Alexa, Cortana, and Google Assistant...

AI voice cracks telephone banking voice recognition

Voice ID is slowly rolling out across various banks worldwide as a way to perform user authentication over the phone. However, questions remain about just how secure it is. Now that we have freely available artificial intelligence AI happily replicating peoples voices, could it be a security risk...

Fooling a Voice Authentication System with an AI-Generated Voice

A reporter used an AI synthesis of his own voice to fool the voice authentication system for Lloyds Bank...

Artificial Intelligence: A Cybersecurity Tool for Good, and Sometimes Bad

Artificial intelligence is the new golden ring for cybersecurity developers, thanks to its potential to not just automate functions at scale but also to make contextual decisions based on what it learns over time. This can have big implications for security personnel—all too often, companies simp...

Black Hat 2018: Voice Authentication is Broken, Researchers Say

LAS VEGAS – We live in a world increasingly dominated by voice-enabled smart digital assistants. More and more we rely on Amazon’s Alexa to tell us if we have any new messages. We ask Google Home smart speakers to remind us of calendar appointments. Some banks even allow users to use their voice ...

Slideshow: Ten Weird Biometrics In Your Future

VIEW SLIDESHOW: Weird Science: 10 Forms of Biometric Authentication In the past twenty years, we’ve gone from using amber-tinted dumb terminals connected to refrigerator-sized mainframe computers to sleek tablet computers and smart phones tucked into our pockets. Despite those changes, one...

Voice Authentication Gets Research Boost

North Carolina state researchers have modified existing speech authentication computer models and have streamlined the process so that it operates more efficiently. Read the full article. ScienceDaily...