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SK Telecom revealed that malware breach began in 2022

Security Affairs

SK Telecom is South Koreas largest wireless telecom company, a major player in the countrys mobile and tech landscape. In April, SK Telecom reported that threat actors gained access to USIM-related information for customers following a malware attack. million users affected by a malware breach that exposed sensitive data. .

Malware 106
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New Sophisticated Malware

Schneier on Security

There are many keys to its stealth, including: The use of a unique backdoor Mandiant calls Quietexit, which runs on load balancers, wireless access point controllers, and other types of IoT devices that don’t support antivirus or endpoint detection. This makes detection through traditional means difficult.

Malware 295
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NSA issues advice for securing wireless devices

Malwarebytes

By releasing an information sheet that provides guidance on securing wireless devices while in public (pdf) —for National Security System, Department of Defense, and Defense Industrial Base teleworkers—the NSA has provided useful information on malicious techniques used by cyber actors, and ways to protect against them. Network sniffing.

Wireless 145
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Sierra Wireless halted production at its manufacturing sites due to ransomware attack

Security Affairs

This week, IoT company Sierra Wireless disclosed a ransomware attack that hit its internal IT systems on March 20 and disrupted its production. Sierra Wireless is a Canadian multinational wireless communications equipment designer and manufacturer headquartered in Richmond, British Columbia, Canada. continues the announcement.

Wireless 141
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Pre-Installed malware spotted on other Android phones sold in US

Security Affairs

Researchers from Malwarebytes have found yet another phone with pre-installed malware via the Lifeline Assistance program sold in the United States. Researchers at Malwarebytes have found malware pre-installed on smartphones sold in the United States, this is the second time as documented in a report published in January.

Malware 145
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Don’t Bother Using The “Device Filter” Security Feature Offered By Your Home Network Router

Joseph Steinberg

While I agree that, in theory, MAC address filtering does provide some benefits – for example, it might stop your child from connecting to your home network a malware-infected device that his or her friend brought over to your house – for multiple reasons, the cons of using MAC filtering usually far outweigh the pros of doing so.

Wireless 360
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Wireless Security: WEP, WPA, WPA2 and WPA3 Explained

eSecurity Planet

Wireless security is the protection of wireless networks, devices and data from unwanted access and breaches. It involves a variety of strategies and practices designed to preserve the confidentiality, integrity and availability of wireless networks and their resources. What is Wireless Security?