DNS Firmware Telecommunications 
SecureList
DECEMBER 18, 2020
Other advanced threat groups are also known to adopt similar strategies, for instance with hardware or firmware implants, which “sleep” for weeks or months before connecting to their C2 infrastructure. In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. Low-level details.
CyberSecurity Insiders
APRIL 12, 2023
The report stems from a detailed analysis of attacks targeting StormWall’s clientele, which spans various sectors such as finance, e-commerce, telecommunications, entertainment, transportation, education, and logistics. Telecommunications continued to be a popular target, enduring 16% of attacks and a 47% YoY increase.
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Security Affairs
JULY 13, 2019
The campaign uncovered by Avast aimed at silently modifying the Brazilian users’ Domain Name System (DNS) settings to redirect victims to malicious websites mimicking legitimate ones. In some cases the router is reconfigured to use rogue DNS servers, which redirect victims to phishing pages that closely look like real online banking sites.
eSecurity Planet
AUGUST 22, 2023
History of MSSPs As internet service providers (ISPs) and telecommunications companies (telecoms) began offering commercial access to the internet in the late 1990s, they began to also offer firewall appliances and associated managed services. and installed software (operating systems, applications, firmware, etc.). Outsourcing U.S.
SecureList
FEBRUARY 16, 2021
The DTLS (Datagram Transport Layer Security) protocol is used to establish secure connections over UDP, through which most DNS queries, as well as audio and video traffic, are sent. After the attacks came to light, the manufacturer promptly released a firmware update for configuring verification of incoming requests.
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