Ransomware poseurs are trying to extort businesses through physical letters
The FBI and threat researchers are warning executives to be on the lookout for physical letters in the mail threatening...
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CISA completed its election security review. It won’t make the results public
When the Trump administration began sidelining and laying off personnel at the Cybersecurity and Infrastructure Security Agency, it started by...
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Undocumented commands found in Bluetooth chip used by a billion devices
Update 3/9/25: After receiving concerns about the use of the term ‘backdoor’ to refer to these undocumented commands, we have...
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New Chirp tool uses audio tones to transfer data between devices
A new open-source tool named ‘Chirp’ transmits data, such as text messages, between computers (and smartphones) through different audio tones. The...
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US cities warn of wave of unpaid parking phishing texts
US cities are warning of an ongoing mobile phishing campaign pretending to be texts from the city’s parking violation departments about...
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Undocumented hidden feature found in Espressif ESP32 microchip
Undocumented hidden feature found in Espressif ESP32 microchip Pierluigi Paganini March 09, 2025 Experts discovered an undocumented hidden feature in...
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Week in review: How QR code attacks work and how to protect yourself, 10 must-reads for CISOs
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: How QR code attacks work...
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Akira ransomware gang used unsecured webcam to bypass EDR
Akira ransomware gang used an unsecured webcam to bypass EDR Pierluigi Paganini March 08, 2025 The Akira ransomware gang exploited...
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NTT suffered a data breach that impacted 18,000 companies
Japanese telecom giant NTT suffered a data breach that impacted 18,000 companies Pierluigi Paganini March 08, 2025 A data breach...
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Developer guilty of using kill switch to sabotage employer’s systems
A software developer has been found guilty of sabotaging his ex-employer’s systems by running custom malware and installing a “kill switch”...
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Undocumented backdoor found in Bluetooth chip used by a billion devices
The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains...
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YouTubers extorted via copyright strikes to spread malware
Cybercriminals are sending bogus copyright claims to YouTubers to coerce them into promoting malware and cryptocurrency miners on their videos....
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