Cyber Defense Advisors

Month: June 2025

New U.S. Visa Rule Requires Applicants to Set Social Media Account Privacy to Public

The United States Embassy in India has announced that applicants for F, M, and J nonimmigrant visas should make their social media accounts public. The new guideline seeks to help officials verify the identity and eligibility of applicants under U.S. law. The U.S. Embassy said every visa application review is a “national security decision.” “Effective […]

Cyber News

The AI Fix #56: ChatGPT traps man in a cult of one, and AI is actually stupid

In episode 56 of The AI Fix, Anthropic and Apple have a bar fight, a woman describes her husband falling in love with ChatGPT as “not ideal”, WhatsApp’s AI helper isn’t helpful, Graham serenades a pack of headless robot dogs with his rendition of “Don’t stop me now”, and our hosts debate whether AI turning […]

Cyber News

Researchers Find Way to Shut Down Cryptominer Campaigns Using Bad Shares and XMRogue

Cybersecurity researchers have detailed two novel methods that can be used to disrupt cryptocurrency mining botnets. The methods take advantage of the design of various common mining topologies in order to shut down the mining process, Akamai said in a new report published today. “We developed two techniques by leveraging the mining topologies and pool […]

Cyber News

Hackers Target Over 70 Microsoft Exchange Servers to Steal Credentials via Keyloggers

Unidentified threat actors have been observed targeting publicly exposed Microsoft Exchange servers to inject malicious code into the login pages that harvest their credentials. Positive Technologies, in a new analysis published last week, said it identified two different kinds of keylogger code written in JavaScript on the Outlook login page – Those that save collected […]

Cyber News

Aflac, one of the USA’s largest insurers, is the latest to fall “under siege” to hackers

The Wall Street Journal reports that Aflac is investigating a breach that may have exposed claims information, health details, Social Security numbers, and other personal data. That’s the kind of sensitive personal information you would expect your insurer to protect, not accidentally hand over to cybercriminals. According to Aflac, the attack came from a “highly […]

Cyber News

Here’s a Subliminal Channel You Haven’t Considered Before

Scientists can manipulate air bubbles trapped in ice to encode messages.  

Cyber News

Between Buzz and Reality: The CTEM Conversation We All Need

I had the honor of hosting the first episode of the Xposure Podcast live from Xposure Summit 2025. And I couldn’t have asked for a better kickoff panel: three cybersecurity leaders who don’t just talk security, they live it. Let me introduce them. Alex Delay, CISO at IDB Bank, knows what it means to defend […]

Cyber News

Hackers Exploit Misconfigured Docker APIs to Mine Cryptocurrency via Tor Network

Misconfigured Docker instances are the target of a campaign that employs the Tor anonymity network to stealthily mine cryptocurrency in susceptible environments. “Attackers are exploiting misconfigured Docker APIs to gain access to containerized environments, then using Tor to mask their activities while deploying crypto miners,” Trend Micro researchers Sunil Bharti and Shubham Singh said in […]

Cyber News

U.S. House Bans WhatsApp on Official Devices Over Security and Data Protection Issues

The U.S. House of Representatives has formally banned congressional staff members from using WhatsApp on government-issued devices, citing security concerns. The development was first reported by Axios. The decision, according to the House Chief Administrative Officer (CAO), was motivated by worries about the app’s security. “The Office of Cybersecurity has deemed WhatsApp a high-risk to […]

Cyber News