Krebs on Security

APRIL 13, 2022

” “These could be the kind of vulnerabilities which appeal to ransomware operators as they provide the potential to expose critical data,” said Kevin Breen , director of cyber threat research at Immersive Labs. CVSS scores and are listed as “exploitation more likely by Microsoft.”

DNS 319

DNS Internet Internet Firewall 319

Cisco Security

MARCH 11, 2021

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. Cryptomining.

DNS 91

DNS Phishing Ransomware Internet 91

Security Affairs

JANUARY 19, 2025

CISA adds Aviatrix Controllers vulnerability to its Known Exploited Vulnerabilities catalog ESET detailed a flaw that could allow a bypass of the Secure Boot in UEFI systems Russia-linked APT Star Blizzard targets WhatsApp accounts Prominent US law firm Wolf Haldenstein disclosed a data breach Clop Ransomware exploits Cleo File Transfer flaw: dozens (..)

Spyware 67

Spyware Data breaches DNS Artificial Intelligence 67

The Last Watchdog

DECEMBER 13, 2020

It can also deploy web filtering, threat prevention, DNS security, sandboxing, data loss prevention, next-generation firewall policies, information security and credential theft prevention. . Clicking on a link releases crypto worms and ransomware that are network-based. Ransomware. But it much further.

IoT 214

IoT B2C B2B VPN 214

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.

DDOS 145

DDOS DNS Firewall Internet 145

Security Boulevard

JULY 9, 2024

Operational resiliency necessitates intelligence, visibility, and confidence: the three foundational pillars of protective DNS (PDNS). This makes malware command-and-control, phishing attacks, DNS tunneling and a number of other attacks significantly less effective. But Wait, What Is Protective DNS?

DNS 64

DNS Cyber threats Cyber Attacks Phishing 64

eSecurity Planet

SEPTEMBER 29, 2021

Ransomware is everywhere these days, striking fear into the hearts of IT and business managers alike. And studies support that perception, showing ransomware growing in both prevalence and effectiveness. Best Ransomware Removal Tools. Here we’ll focus on removal tools. Protect against cloud threats and misconfiguration.

Ransomware 111

Ransomware VPN Backups Malware 111

eSecurity Planet

DECEMBER 2, 2021

A next-generation firewall (NGFW) is an important component of network security and represents the third generation of firewall technology. NGFWs provide capabilities beyond that of a traditional, stateful firewall , including cloud-delivered threat intelligence , integrated intrusion prevention , and application awareness and control.

Firewall 131

Firewall Network Security DNS Artificial Intelligence 131

CyberSecurity Insiders

MAY 18, 2022

These developments have made the perimeter so porous that the old approach of simply hiding behind a firewall and keeping the rest of the world at bay is no longer feasible. So why aren’t more organizations taking advantage of protective DNS? So where do we go from here? The issue likely comes down to awareness.

DNS 140

DNS Cybersecurity CISO Social Engineering 140

Webroot

JUNE 21, 2021

It’s important for a business to be prepared with an exercised business continuity and disaster recovery (BC/DR) plan plan before its hit with ransomware so that it can resume operations as quickly as possible. It’s also essential to ensure end-users are trained on ransomware threats as a part of a good security awareness training program.

Backups 131

Backups DNS Ransomware Antivirus 131

eSecurity Planet

NOVEMBER 3, 2022

We’ll get into specifics below, but here are five steps to prevent ransomware attacks, along with links to jump ahead: Harden against attacks : Patch, update, and change settings to harden resources against attacks. Hardening includes, but is not limited to: Block unused ports on servers and firewalls. Anti-DDoS Architecture.

DDOS 126

DDOS Firewall DNS Architecture 126

Security Affairs

MARCH 17, 2022

TrickBot initially partnered with Ryuk ransomware that used it for initial access in the network compromised by the botnet. Then Ryuk was replaced by Conti Ransomware gang who has been using Trickbot for the same purpose. The Trickbot operation has switched to using MikroTik routers as C&C servers since 2020. Pierluigi Paganini.

Malware 130

Malware DNS Ransomware Passwords 130

eSecurity Planet

MAY 2, 2024

Fortunately, vendor surveys identify five key cybersecurity threats to watch for in 2024: compromised credentials, attacks on infrastructure, organized and advanced adversaries, ransomware, and uncontrolled devices. 50,000 DDoS attacks on public domain name service (DNS) resolvers. 20,551 gambling industry attacks.

Cybersecurity 123

Cybersecurity DDOS Penetration Testing Passwords 123

eSecurity Planet

JANUARY 14, 2022

And DDoS attackers have adopted a tactic from ransomware groups and are seeking payment from victims and potential victims. Meanwhile, the 2021 State of the Data Center Industry research report placed DDoS behind ransomware as the threats that most worry the enterprise. Protects websites, networks, DNS and individual IPs.

DDOS 128

DDOS DNS Firewall Media 128

eSecurity Planet

FEBRUARY 4, 2022

Antivirus Software WiFi 6 Routers Virtual Private Networks Password Managers Email Security Software Web Application Firewall Bot Management Software. DNS leak protection Kill switch No log policy. Web Application Firewall (WAF). While most firewalls are network security solutions, a WAF works at the application layer.

Internet 144

Internet Internet Software Antivirus 144

Malwarebytes

JULY 26, 2022

It’s no secret that ransomware is one of the most pressing cyber threats of our day. What worse, ransomware gangs have increased their attacks on a range of vulnerable industries, with disruptions to business operations, million-dollar ransom demands, data exfiltration, and extortion. Part 2: Pinpointing the ransomware.

Encryption 84

Encryption Ransomware Backups Firewall 84

Krebs on Security

AUGUST 22, 2023

Security experts say this same tourist dynamic is a dead giveaway in virtually all computer intrusions that lead to devastating attacks like data theft and ransomware, and that more organizations should set simple virtual tripwires that sound the alarm when authorized users and devices are spotted exhibiting this behavior.

Ransomware 225

Ransomware DNS Firewall 225

Security Affairs

JUNE 20, 2022

Security Affairs is one of the finalists for the best European Cybersecurity Blogger Awards 2022 – VOTE FOR YOUR WINNERS. I ask you to vote for me again (even if you have already done it), because this vote is for the final.

Spyware 104

Spyware DNS Ransomware Surveillance 104

eSecurity Planet

APRIL 26, 2024

Server: Provides powerful computing and storage in local, cloud, and data center networks to run services (Active Directory, DNS, email, databases, apps). Next-generation firewalls (NGFWs): Improve the general security of a firewall with advanced packet analysis capabilities to block malware and known-malicious sites.

Architecture 122

Architecture Network Security Firewall Risk 122

Cisco Security

AUGUST 26, 2022

This new integration supports Umbrella proxy, cloud firewall, IP, and DNS logs. This integration expands on Elastic’s on-going expansion of Cisco integrations including ASA, Nexus, Meraki, Duo and Secure Firewall Threat Defense. New Cisco Firepower Next-Gen Firewall Integrations. Read more here. Read more here.

Firewall 145

Firewall Authentication Passwords Threat Detection 145

Malwarebytes

AUGUST 8, 2023

Because of the HTTPS connection and the port the data exchange takes place on (QUIC on port 7844), it is unlikely to be picked up by protection software like firewalls unless specifically instructed to do so. Use endpoint security software that can prevent exploits and malware used to deliver ransomware. Prevent intrusions.

Backups 96

Backups Ransomware DNS Software 96

eSecurity Planet

MARCH 14, 2023

When the internet arrived, the network added a firewall to protect networks and users as they connected to the world wide web. Technical controls may be implemented by: Hardware appliances : switches, routers, firewalls, etc. In a complex, modern network, this assumption falls apart.

Network Security 98

Network Security Firewall Penetration Testing Encryption 98

eSecurity Planet

MARCH 22, 2023

The tools also depend upon physical controls that should also be implemented against malicious physical access to destroy or compromise networking equipment such as routers, cables, switches, firewalls, and other networking appliances. These physical controls do not rely upon IT technology and will be assumed to be in place.

Firewall 111

Firewall Network Security Penetration Testing Encryption 111

eSecurity Planet

MAY 19, 2022

EdgeConnect Enterprise critically comes with firewall , segmentation , and application control capabilities. The first traditional cybersecurity vendor featured is Barracuda Networks, with consistent recognition for its email security , next-generation firewalls ( NGFW ), web application security , and backups. Barracuda Networks.

Firewall 122

Firewall Architecture Encryption Network Security 122

Security Boulevard

MAY 17, 2024

HYAS Protect protective DNS includes a user-friendly interface and four core deployment methods. Organizations of any size can monitor traffic with HYAS Protect’s cloud-based DNS resolver. DNS data from HYAS Protect allows organizations to identify their riskiest users and prioritize proactive security measures.

DNS 59

DNS Engineering Phishing Malware 59

eSecurity Planet

MARCH 16, 2023

DNS attacks : DNS cache poisoning, or hijacking, redirects a legitimate site’s DNS address and takes users to a malicious site when they attempt to navigate to that webpage. In the early stages of the pandemic, the exploited Remote Desktop Protocol (RDP) was one of the most common ransomware attack vectors.

Network Security 111

Network Security Firewall Internet Internet 111

Security Affairs

DECEMBER 15, 2024

CISA adds Cleo Harmony, VLTrader, and LexiCom flaw to its Known Exploited Vulnerabilities catalog German agency BSI sinkholed a botnet of 30,000 devices infected with BadBox U.S.

Firewall 63

Firewall Spyware Surveillance Cybercrime 63

eSecurity Planet

MAY 28, 2021

Preceding the conference, the United States experienced its biggest cyberattack on critical infrastructure to date with ransomware hitting Colonial Pipeline. Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Old way New way.

Software 121

Software DNS Firmware VPN 121

eSecurity Planet

FEBRUARY 16, 2021

Ransomware. Experts say the best defense is a multi-pronged network security strategy that includes a firewall, anti-malware software, network monitoring, intrusion detection and prevention (IDPS), and data protection. Unlike ransomware, it might be a criminal operation that does not involve the collection of a ransom.

Malware 105

Malware Adware Spyware Antivirus 105

Malwarebytes

JANUARY 7, 2024

Several safeguards emerged to stop this: SPF (Sender Policy Framework): This uses DNS records to indicate to receiving mail servers which IP addresses are authorized to send mail for a given domain. SMTP smuggling SMTP smuggling takes advantage of inconsistencies in the way that proxy servers and firewalls handle SMTP traffic.

DNS 138

DNS Authentication Firewall Ransomware 138

SecureList

SEPTEMBER 21, 2023

Ransomware Unlike DDoS malicious programs, ransomware largely targets IoT devices that contain user data: NAS boxes. DeadBolt, which affected thousands of QNAP NAS devices in 2022, is a prominent example of IoT ransomware. DNS changer Malicious actors may use IoT devices to target users who connect to them.

IoT 133

IoT DDOS Passwords Malware 133

eSecurity Planet

JUNE 8, 2023

It can be time consuming to establish these protocols on an organization’s DNS servers, but doing so will provide two key benefits. Email security tools offer features that screen emails for malicious content using antivirus, anti-spam, DNS, attachment, and other analytics.

Firewall 81

Firewall DNS Authentication Malware 81

Malwarebytes

SEPTEMBER 23, 2021

Autodiscover works for client applications that are inside or outside firewalls and in resource forest and multiple forest scenarios” Which boils down to a feature of Exchange email servers that allows email clients to automatically discover email servers, provide credentials, and then receive proper configurations.

Passwords 93

Passwords Authentication Firewall DNS 93

Malwarebytes

FEBRUARY 10, 2023

Mitigation Although it can be difficult to mitigate DDoS risks, the Health Sector Cybersecurity Coordination Center (HC3) is encouraging healthcare organizations to enable firewalls to mitigate application-level DDoS attacks and use content delivery networks (CDN).

DDOS 96

DDOS Healthcare Computers and Electronics Government 96

eSecurity Planet

SEPTEMBER 7, 2021

Some of the more noteworthy recent zero day attacks happened to SolarWinds and its customers, when vulnerabilities in the Orion IT management platform left them exposed for months, and a massive ransomware attack on Kaseya’s customers also happened via an unknown vulnerability. What Are Zero Day Threats? Trust no one.

Software 138

Software Antivirus Risk Malware 138

CyberSecurity Insiders

JANUARY 6, 2022

Many people still don’t realize the dangers of phishing, malware, ransomware, unpatched software, and weak passwords. HTTPS and DNS), data link (e.g., Ethernet and MAC), the session (WEB sockets), transport (SSL, TCP, and UDP), perimeter (firewalls), and physical layers (securing endpoint devices).

Encryption 134

Encryption Identity Theft Authentication Data breaches 134

eSecurity Planet

DECEMBER 15, 2021

Secure web gateway (SWG) solutions help keep enterprise networks from falling victim to ransomware , malware , and other threats carried by internet traffic and malicious websites. Many of these vendors also rank on our top next-gen firewall (NGFW) page. Top Secure Web Gateways. Ability to retain logs of all activity as long as needed.

Engineering 104

Engineering Digital transformation Internet Internet 104