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Hackers can Easily Change Patient’s MRI, CT Scan Results

The researchers suggested several solutions, such as enabling encryption between the hosts in the hospital’s radiology network, digital signatures with a secure mark on each scan or hidden digital watermarks

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Patients’ CT and MRI scan results can be easily changed by hackers, thereby deceiving radiologists and Artificial Intelligence (AI) algorithms that diagnose malignant tumours, Israeli researchers have warned.

The researchers from the Ben-Gurion University (BGU) showed that hackers could access to add or remove medical conditions from lung cancer scans for the purposes of insurance fraud, ransom and even murder, Xinhua news agency reported.

As part of the attack, the hacker has full control over the number, size and location of the cancers while preserving the anatomy from the original, full resolution three-dimensional (3D) image.

To prove the feasibility of the attacks, the researchers broke with permission into an actual hospital network to intercept all CT (computed tomography) scans.

Although the hospital internal network is not connected to the internet, hackers can access it via the hospital’s WiFi or physical access to the infrastructure, the researchers said.

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iDefense said the hackers are likely affiliated with a group known as MUDCARP, and also referred to as TEMP.PERISCOPE, Periscope and Leviathan. Pixabay

To inject and remove medical conditions, the researchers used a deep learning neural network called a generative adversarial network (GAN), which has been used in the past to generate realistic imagery, such as portraits of non-existent people.

After the “attack” the radiologists at the hospital misdiagnosed 99 per cent of the scans showing malignant tumours, and 94 per cent of altered images with cancerous images removed.

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After the radiologists were informed about the attack, they still misdiagnosed 60 per cent of altered scans falsely showing tumours and 87 per cent of those falsely showing no sign of the tumour, the report showed.

The researchers suggested several solutions, such as enabling encryption between the hosts in the hospital’s radiology network, digital signatures with a secure mark on each scan or hidden digital watermarks. (IANS)

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Tech Giant Microsoft to Pay Hackers for Bug Bounty Programme

Microsoft recently launched Chromium-based Edge beta for Windows 10, 7, 8/8.1 and macOS

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A man walks past a Microsoft sign set up for the Microsoft BUILD conference at Moscone Center in San Francisco, April 28, 2015. VOA

Microsoft has launched a Bug Bounty Programme for Chromium Edge where the company is inviting cybersecurity experts across the world to identify vulnerabilities in the Chromium Edge browser, with rewards ranging from $1,000 to $30,000.

The company is offering rewards in various tiers. Spoofing and tampering reports would earn anywhere between $1,000 and $6,000. Information disclosure and remote code execution will be awarded between $1,000 and $10,000 and elevation of privilege will rake in between $5,000 to $15,000, Digital Trends reported on Sunday.

As per the report, $30,000 will be given in exchange for finding a combination of an Elevation of Privilege flaw and a Windows Defender Application Guard container escape.

Representational image.

“We are excited to expand our bounty programmes today to include the next version of Microsoft Edge and continue to grow and strengthen our partnership with the security research community.

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“We welcome researchers to seek out and disclose any high-impact vulnerabilities they may find in the next version of Microsoft Edge, based on Chromium, and offer rewards up to the US $30,000 for eligible vulnerabilities in Dev and Beta channels,” Jarek Stanley, senior program manager at Microsoft, said in a post.

Microsoft recently launched Chromium-based Edge beta for Windows 10, 7, 8/8.1 and macOS. (IANS)