Cisco Security

MARCH 16, 2021

In fact, 63% of threats detected by Cisco Stealthwatch in 2019 were in encrypted traffic. In this blog I’ll describe two recent privacy advances—DNS over HTTPS (DoH) and QUIC—and what we’re doing to maintain visibility. Keeping your destination private: DNS over HTTPS. DNS message encryption (control plane) is new.

Encryption 97

Encryption DNS Threat Detection Internet 97

Cisco Security

AUGUST 11, 2021

We looked at REvil, also known as Sodinokibi or Sodin, earlier in the year in a Threat Trends blog on DNS Security. In it we talked about how REvil/Sodinokibi compromised far more endpoints than Ryuk, but had far less DNS communication. Figure 1-DNS activity surrounding REvil/Sodinokibi.

Ransomware 145

Ransomware DNS Encryption Backups 145

IT Security Guru

MARCH 17, 2023

DDoS, SQL injections, supply chain attacks, DNS tunneling – all pervasive attacks that can arrive on your doorstep anytime. In 2019, an engineer breached Capital One’s systems and stole 100 million customer records and hundreds of thousands of social security numbers and bank details.

Risk 117

Risk Phishing Threat Detection Cybercrime 117

CyberSecurity Insiders

APRIL 30, 2021

million attacks reported in the first half of 2020 – an increase of more than 250% compared to the same period in 2019. Engineers can also measure traffic patterns for a given application via the total number of DNS queries, DNS replies, HTTP requests received, or HTTP connections established on a per-hour basis.

DDOS 144

DDOS Cyber Attacks DNS Threat Detection 144

Cisco Security

DECEMBER 8, 2022

Credit card fraud amounted to $172 million in 2021 and has been climbing continuously at a conservative rate of 15-20 percent since 2019. Its advanced threat detection capabilities can uncover known, emerging, and targeted threats. Image 8 – Malicious domain hosting survey scams.

Scams 145

Scams Phishing Malware Internet 145

Cisco Security

AUGUST 28, 2023

XDR (eXtended Detection and Response) Integrations At Black Hat USA 2023, Cisco Secure was the official Mobile Device Management, DNS (Domain Name Service) and Malware Analysis Provider. SCA detected 289 alerts including Suspected Port Abuse, Internal Port Scanner, New Unusual DNS Resolver,and Protocol Violation (Geographic).

Wireless 94

Wireless DNS Mobile Technology 94

Security Boulevard

MARCH 25, 2025

The domain name system (DNS) is an essential component of the internet, allowing users to access websites using human-readable domain names instead of complex IP addresses. ICANN required all gTLD registries and registrars to implement RDAP by August 26, 2019. What is RDAP? Why is RDAP important for cybersecurity?

Cyber threats 52

Cyber threats Authentication Internet Internet 52