Krebs on Security

JULY 13, 2021

.” Another concerning critical vulnerability in the July batch is CVE-2021-34494 , a dangerous bug in the Windows DNS Server that earned a CVSS score (severity) of 9.8 “In a Windows Domain environment, Windows DNS Server is critical to business operations and often installed on the domain controller. .

DNS 340

DNS Engineering Internet Internet 340

Krebs on Security

FEBRUARY 9, 2021

A key concern for enterprises is another critical bug in the DNS server on Windows Server 2008 through 2019 versions that could be used to remotely install software of the attacker’s choice. A reliable backup means you’re less likely to pull your hair out when the odd buggy patch causes problems booting the system.

DNS 343

DNS Backups Software Phishing 343

Malwarebytes

OCTOBER 22, 2021

It’s widely known, and endlessly repeated, that the last, best line of defence against the potentially devastating effects of a ransomware attack is your backups. Starting there, the obvious conclusion from experiences like Kacoroski’s is that backups are hard to get right. Why do backups fail?

Backups 112

Backups Ransomware System Administration DNS 112

Krebs on Security

DECEMBER 8, 2020

Additionally, Microsoft released an advisory on how to minimize the risk from a DNS spoofing weakness in Windows Server 2008 through 2019. So do yourself a favor and backup before installing any patches. The critical bits reside in updates for Microsoft Exchange Server , Sharepoint Server , and Windows 10 and Server 2016 systems.

DNS 341

DNS Backups Malware Software 341

Krebs on Security

NOVEMBER 11, 2019

Data backup services. DNS controls. Battery backup systems. For instance, included in the Pastebin files from Orvis were plaintext usernames and passwords for just about every kind of online service or security product the company has used, including: -Antivirus engines. Multiple firewall products. Linux servers. Cisco routers.

Retail 233

Retail Passwords Wireless Backups 233

Security Affairs

JUNE 27, 2019

Other issues included information disclosure and a flaw that allowed attackers to steal backups of the VM and its data. In April, the researcher Nick Cano discovered that BlueStacks versions prior than v4.90.0.1046 are affected by a DNS rebinding vulnerability that allowed attackers to gain access to the emulator’s IPC functions.

DNS 109

DNS Backups Advertising Authentication 109

CyberSecurity Insiders

MAY 18, 2022

By increasing visibility into DNS traffic, CISOs can detect, block, and respond to incidents more quickly as well as use this data to institute new controls and increase overall resiliency. So why aren’t more organizations taking advantage of protective DNS? The issue likely comes down to awareness.

DNS 140

DNS Cybersecurity CISO Social Engineering 140

SecureList

JUNE 1, 2023

Since it is impossible to inspect modern iOS devices from the inside, we created offline backups of the devices in question, inspected them using the Mobile Verification Toolkit’s mvt-ios and discovered traces of compromise. Install MVT Once the backup is ready, it has to be processed by the Mobile Verification Toolkit.

Malware 145

Malware Backups Mobile DNS 145

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. Deleting backups.

Ransomware 145

Ransomware DNS Encryption Backups 145

Webroot

APRIL 13, 2021

This includes essential security measures like firewalls, endpoint protection and DNS protection. And, since even firewalls can be circumvented, it means keeping backups of all business data so you never have to pay a ransom to get your data back. Attacks like BEC are less about malware and more about manipulating people.

Ransomware 133

Ransomware DNS Firewall Security Awareness 133

Security Affairs

NOVEMBER 5, 2021

. “The Babuk ransomware module, running within the process AddInProcess32, enumerates the processes running on the victim’s server and attempts to disable a number of processes related to backup products, such as Veeam backup service. ” reads the analysis published by Talos.

Ransomware 145

Ransomware Backups Encryption DNS 145

Webroot

AUGUST 10, 2022

Malware Solution Option: Windows 11 adoption remains very slow which highlights the importance of incorporating a layered security approach that includes DNS protection to help reduce infection rates. In fact, there are 31% fewer infections when endpoint and DNS protection are combined. PHISHING PREYED ON A VOLATILE MARKET.

Threat Reports 110

Threat Reports DNS Phishing Malware 110

Webroot

JUNE 21, 2021

It may be as simple as the deployment of antivirus plus backup and recovery applications for your end users, or a more complex approach with security operations center (SOC) tools or managed response solutions coupled with network security tools such as DNS and Web filtering, network and endpoint firewalls, VPNs, backup and recovery and others.

Backups 131

Backups DNS Ransomware Antivirus 131

Security Affairs

JUNE 24, 2021

Chashell is a reverse shell over DNS provider, while Chisel is a port-forwarding tool. It is not uncommon for schools and hospitals to have legacy systems, poor email filtering, no data backups, or unpatched systems in their environments. The name ChaChi comes from two key components of the malware, Cha shell and Chi sel.

Ransomware 145

Ransomware Education DNS Backups 145

Security Boulevard

MAY 6, 2021

This includes a layered combination of DNS networking, secure endpoint connections, and an educated and empowered human workforce. The need for DNS security cannot be ignored, especially with the rise of remote workforces, in order to monitor and manage internet access policies, as well as reduce malware. DNS is frequently targeted by.

Cybersecurity 140

Cybersecurity DNS Education Security Awareness 140

The Last Watchdog

JULY 1, 2019

NormShield found that all of the 2020 presidential hopefuls, thus far, are making sure their campaigns are current on software patching, as well as Domain Name System (DNS) security; and several are doing much more. Beyond Simple Passwords : Provides detailed information on keeping strong passwords and deploying two-factor authentication.

Cyber Risk 159

Cyber Risk DNS Phishing Backups 159

eSecurity Planet

MARCH 12, 2025

While it doesnt have quite as many extras as NordVPN, some highlights include its reasonable pricing and features like DNS leak protection and ad blocking. The Advanced plan offers a little more, including one terabyte of cloud backup, syncing data across devices, and phone support during business hours. 5 Features: 3.6/5

VPN 58

VPN Mobile DNS Password Management 58

eSecurity Planet

SEPTEMBER 3, 2022

For example, the 2016 DDoS attack on the Dyn managed domain name service (DNS) caused the DNS service to fail to respond to legitimate DNS inquiries and effectively shut down major sites such as PayPal, Spotify, Twitter, Yelp, and many others. Also read: How to Secure DNS. Types of DDoS Attacks. Harden infrastructure.

DDOS 145

DDOS DNS Firewall Internet 145

Security Affairs

FEBRUARY 9, 2021

Another interesting issue addressed by Microsoft with Microsoft February 2021 Patch Tuesday security updates is a Windows DNS Server Remote Code Execution vulnerability tracked as CVE-2021-24078. “This patch fixes a bug in the Windows DNS Server that could allow remote code execution on affected systems.

DNS 100

DNS IoT Backups Mobile 100

Security Affairs

APRIL 12, 2019

Unfortunately, users that have no backups of their encryption keys will be not able to read their previous conversations. On Friday, the attacker used the Cloudflare API key to change the DNS records for matrix.org and redirect users to a GitHub page displaying a portion of the compromised data as a proof of the hack.

Hacking 108

Hacking DNS Passwords Data breaches 108

Security Affairs

JANUARY 29, 2023

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DNS 98

DNS Data breaches Hacking Backups 98

Krebs on Security

APRIL 2, 2019

In this process authorities seized numerous backup hard drives [containing] a large portion of Orcus Technologies business, and practices,” Rezvesz wrote. As KrebsOnSecurity noted in 2016 , in conjunction with his RAT Rezvesz also sold and marketed a bulletproof “dynamic DNS service” that promised not to keep any records of customer activity.

Advertising 260

Advertising Malware Software Marketing 260

Security Affairs

MARCH 4, 2022

The Russian government fears the consequence of data breaches suffered by its organizations or possible interference by third-party nation state actors that could exploit the ongoing attacks to carry out covet cyber attacks.

DDOS 98

DDOS DNS Backups Data breaches 98

CyberSecurity Insiders

MARCH 21, 2021

Backup data on Cloud . Even if you take all the protective measures, you don’t want to be left without any backup or options in case of a cyber attack. Small businesses should have a contingency plan in place in the form of cloud backup. In fact, Phishing alone accounts for 90% of small business cyber attacks.

Small Business 145

Small Business Cyber Attacks VPN Backups 145

eSecurity Planet

APRIL 24, 2023

Also, webmasters can manage: API access PHP MySQL databases DNS records Backups FTP users Users can also create packages with predefined resource limits, view resource usage, automate accounts management, and more. Offsite backups SPanel accounts also get free daily backups to a remote server.

Backups 97

Backups Cybercrime Authentication Accountability 97

Krebs on Security

AUGUST 2, 2022

re abruptly announced it was permanently closing after a cybersecurity breach allowed unknown intruders to trash its servers and delete customer data and backups. Historical DNS records from Farsight Security show angrycoders.net formerly included the subdomain “smollalex.angrycoders[.]net” Who is the “ Alexander S.”

Malware 323

Malware Cybercrime Internet Internet 323

Webroot

JANUARY 26, 2022

A defense in depth security posture utilizing DNS and endpoint detection as well as a sound backup strategy can give you confidence that you’re prepared to withstand even a successful phishing attack. That’s why a multi-layered approach gives peace of mind that not all is lost if one person messes up.

Phishing 129

Phishing DNS Backups Security Awareness 129

Security Affairs

FEBRUARY 14, 2021

Cybercriminal behind the most prominent carding marketplace on the dark web Joker’s Stash retires, he will shut down its servers and destroy the backups. The sized sites were at jstash.bazar, jstash.lib, jstash.emc, and jstash.coin, which are all those accessible via blockchain DNS. ” reads the article published by Forbes.

Cybercrime 115

Cybercrime Backups Hacking DNS 115

Webroot

MAY 6, 2024

For businesses, this means implementing a comprehensive incident response plan that includes secure, immutable backups and regular testing to ensure rapid recovery in the event of an attack. Combine antivirus tools with DNS protection, endpoint monitoring, and user training for comprehensive protection.

Antivirus 122

Antivirus Cyber threats Education Phishing 122

Webroot

NOVEMBER 7, 2022

A multi-layered approach that includes email security, DNS filtering, endpoint protection, and backup and recovery is essential to mitigating risk and exposure from attacks. Ongoing education and awareness of new attack vectors and defense against common channels such as email are critical for achieving a cyber resilience posture.

Ransomware 113

Ransomware Security Awareness DNS Phishing 113

eSecurity Planet

NOVEMBER 3, 2022

DNS servers can be specifically targeted by attackers and vulnerable to various types of attacks. If the organization does not use it, UDP access to port 53 (DNS) should be blocked. For more information, see How to Prevent DNS Attacks. Anti-DDoS Architecture. Anti-DDoS Tools. Read more about: the Types of DDoS Attacks.

DDOS 126

DDOS Firewall DNS Architecture 126

Security Affairs

MARCH 20, 2022

EU and US agencies warn that Russia could attack satellite communications networks Avoslocker ransomware gang targets US critical infrastructure Crooks claims to have stolen 4TB of data from TransUnion South Africa Exotic Lily initial access broker works with Conti gang Emsisoft releases free decryptor for the victims of the Diavol ransomware China-linked (..)

DNS 98

DNS Antivirus DDOS Hacking 98

eSecurity Planet

FEBRUARY 23, 2022

A cloud-based data server storing backups or security log files. For example, we might accept that our internal DNS server will be quickly detected by an attacker, but we might only allow the DNS port to respond to DNS queries and drop all other commands until the user is authorized. Stalling for Time.

DNS 118

DNS Firewall Encryption VPN 118

Malwarebytes

AUGUST 8, 2023

To detect unauthorized use of Cloudflare Tunnels, the researchers recommend that organizations monitor for specific DNS queries (as shared in the report) and use non-standard ports like 7844. Create offsite, offline backups. Keep backups offsite and offline, beyond the reach of attackers. Don’t get attacked twice.

Backups 96

Backups Ransomware DNS Software 96

eSecurity Planet

DECEMBER 23, 2020

To accommodate this increased demand, organizations can optimize VPN server use by using traffic steering at the DNS layer. In many cases, it is up to the employee to randomly choose an endpoint from a list. Employees continue connecting to a “default” endpoint for days or weeks, regardless of usage or capacity.

VPN 105

VPN DNS Authentication Mobile 105

Cisco Security

DECEMBER 14, 2022

Building on the DNS Integration capabilities delivered in Secure Firewall 7.2, With the release of Secure Firewall 7.3, Additional Site-To-Site VPN Capabilities. Automated integration to Cisco Umbrella.

Firewall 145

Firewall VPN Encryption DNS 145

Webroot

MAY 25, 2021

Be sure to choose vendors who provide the type of guidance, support, and enablement resources you need; who can and will advise you on how best to configure your cybersecurity and backup and disaster recovery systems; and who are invested in helping you ensure maximum return on the investment you and your customers are making in these solutions.

Phishing 144

Phishing DNS Backups Cyber threats 144