Remove DNS Remove Phishing Remove Ransomware
article thumbnail

Threat Trends: DNS Security, Part 1

Cisco Security

After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis.

DNS 144
article thumbnail

Threat Trends: DNS Security, Part 2

Cisco Security

This is what we covered in part one of this Threat Trends release on DNS Security, using data from Cisco Umbrella , our cloud-native security service. For example, those in the financial services industry may see more activity around information stealers; others in manufacturing may be more likely to encounter ransomware.

DNS 143
Insiders

Sign Up for our Newsletter

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

article thumbnail

NSA, CISA issue guidance on Protective DNS services

SC Magazine

A PDNS service uses existing DNS protocols and architecture to analyze DNS queries and mitigate threats. According to NSA and CISA, the service provides defenses in various points of the network exploitation lifecycle, addressing phishing, malware distribution, command and control, domain generation algorithms, and content filtering.

DNS 131
article thumbnail

3 ways DNS filtering can save SMBs from cyberattacks

Malwarebytes

Everything from rootkits to ransomware threaten not just financial losses, but also significant network downtime and reputational damage as well. That’s where DNS filtering comes in. But first, DNS in a nutshell. So normally, every time your customer types in your web address, their computer makes a request to a DNS server.

DNS 95
article thumbnail

Threat Trends: DNS Security

Cisco Security

After examining topics such as the MITRE ATT&CK framework , LOLBins , and others, this release will look at DNS traffic to malicious sites. We’ll also look at malicious DNS activity—the number of queries malicious sites receive. Organizations and malicious DNS activity. Overview of analysis.

DNS 91
article thumbnail

What Is DNS Security? Everything You Need to Know

eSecurity Planet

DNS security protects the domain name system (DNS) from attackers seeking to reroute traffic to malicious sites. Since a majority of business IT traffic now accesses or passes through the internet, DNS plays an increasingly important — and vulnerable — role. in the DNS cache for more efficient delivery of information to users.

DNS 110
article thumbnail

Why SMBs are Under Attack by Ransomware

Webroot

Ransomware attacks generate big headlines when the targets are government entities, universities and healthcare organizations. But there’s one increasingly frequent target of ransomware attacks that tends to slip under the radar. This includes essential security measures like firewalls, endpoint protection and DNS protection.