Remove Architecture Remove DNS Remove Encryption Remove Manufacturing
article thumbnail

Overview of IoT threats in 2023

SecureList

Brute-force attacks on services that use SSH, a more advanced protocol that encrypts traffic, can yield similar outcomes. As if that were not enough, many IoT devices have unalterable main passwords set by manufacturers. User files were encrypted, with the device’s interface displaying a ransom note demanding payment of 0.03

IoT 87
article thumbnail

Network Protection: How to Secure a Network

eSecurity Planet

Similarly, spoofed domain name system (DNS) and IP addresses can redirect users from legitimate connections to dangerous and malicious websites. Additional protection may be deployed using browser security, DNS security, or secure browsers to protect endpoints from malicious websites. Critical resources need additional protection.

Insiders

Sign Up for our Newsletter

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

article thumbnail

Black Hat Europe 2021 Network Operations Center: London called, We answered

Cisco Security

Cisco Secure supports the NOC operations with DNS visibility and architecture intelligence ( Cisco Umbrella and Cisco Umbrella Investigate ) and automated malware analysis and threat intelligence ( Cisco Secure Malware Analytics (Threat Grid) , backed by Cisco Talos Intelligence and Cisco SecureX ). The other half is Clarity for iOS.

DNS 135
article thumbnail

Operation ‘Harvest’: A Deep Dive into a Long-term Campaign

McAfee

The PlugX families we observed used DNS [ T1071.001 ] [ T1071.004 ] as the transport channel for C2 traffic, in particular TXT queries. We observed in the process dump the exfiltration of data on the system, such as OS, Processor (architecture), Domain, Username, etc. The IP is pushed into the list generated by the malware at runtime.

Malware 144
article thumbnail

Mystic Stealer

Security Boulevard

Enter Mystic Stealer, a fresh stealer lurking in the cyber sphere, noted for its data theft capabilities, obfuscation, and an encrypted binary protocol to enable it to stay under the radar and evade defenses. Example Mystic Stealer constant obfuscation technique Encrypted binary custom protocol. Polymorphic string obfuscation.

article thumbnail

IT threat evolution Q1 2021

SecureList

A41APT is a long-running campaign, active from March 2019 to the end of December 2020, that has targeted multiple industries, including Japanese manufacturing and its overseas bases. Ransomware encrypting virtual hard disks. Ecipekac: sophisticated multi-layered loader discovered in A41APT campaign. macOS developments.

Malware 95
article thumbnail

2024 State of Cybersecurity: Reports of More Threats & Prioritization Issues

eSecurity Planet

50,000 DDoS attacks on public domain name service (DNS) resolvers. 553% increase in DNS Flood attacks from 1H 2020 to 2H 2023. DDoS attacks on single networks or websites render them unavailable, but DDoS attacks on DNS resolvers bring down all networks and websites using that DNS resource.