Remove DNS Remove Internet Remove Passwords Remove Telecommunications
article thumbnail

A Deep Dive on the Recent Widespread DNS Hijacking Attacks

Krebs on Security

government — along with a number of leading security companies — recently warned about a series of highly complex and widespread attacks that allowed suspected Iranian hackers to siphon huge volumes of email passwords and other sensitive data from multiple governments and private companies.

DNS 271
article thumbnail

Cuttlefish malware targets enterprise-grade SOHO routers

Security Affairs

Researchers at Lumen’s Black Lotus Labs discovered a new malware family, named Cuttlefish, which targets enterprise-grade and small office/home office (SOHO) routers to harvest public cloud authentication data from internet traffic. The malicious code can also perform DNS and HTTP hijacking within private IP spaces.

Malware 98
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Alleged Iran-linked APT groups behind global DNS Hijacking campaign

Security Affairs

Security expert uncovered a DNS hijacking campaign targeting organizations in various industries worldwide and suspects Iranian APT groups. It is interesting to note that FireEye confirmed that this campaign is different from other operations carried out by Iranian APT groups due to the use of DNS hijacking at scale.

DNS 80
article thumbnail

DHS issues emergency Directive to prevent DNS hijacking attacks

Security Affairs

DHS has issued a notice of a CISA emergency directive urging federal agencies of improving the security of government-managed domains (i.e.gov) to prevent DNS hijacking attacks. The notice was issued by the DHS and links the emergency directive Emergency Directive 19-01 titled “Mitigate DNS Infrastructure Tampering.”.

DNS 85
article thumbnail

China-linked LightBasin group accessed calling records from telcos worldwide

Security Affairs

A China-linked hacking group, tracked as LightBasin (aka UNC1945 ), hacked mobile telephone networks around the globe and used specialized tools to access calling records and text messages from telecommunications companies. CrowdStrike researchers reported that at least 13 telecommunication companies were compromised by since 2019.

article thumbnail

Turkish Sea Turtle APT targets Dutch IT and Telecom firms

Security Affairs

Between 2017 and 2019, the APT group mainly used DNS hijacking in its campaigns. The group targets government entities, Kurdish (political) groups like PKK, telecommunication, ISPs, IT-service providers (including security companies), NGO, and Media & Entertainment sectors; Over the years, the group enhanced its evasion capabilities. .

Media 108
article thumbnail

For nearly a year, Brazilian users have been targeted with router attacks

Security Affairs

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. “ Malware then guesses routers’ passwords , which new research from Avast shows are often weak. ” states the analysis published by Avast.

DNS 71