Malwarebytes

JUNE 1, 2022

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. The DNS server, in turn, tells the computer where to go. But which web-based cyberthreats in particular does DNS filtering stop, you ask?

DNS 103

DNS DDOS Phishing Spyware 103

Security Affairs

JANUARY 10, 2019

Security expert uncovered a DNS hijacking campaign targeting organizations in various industries worldwide and suspects Iranian APT groups. It is interesting to note that FireEye confirmed that this campaign is different from other operations carried out by Iranian APT groups due to the use of DNS hijacking at scale.

DNS 109

DNS Telecommunications Government Encryption 109

Security Affairs

FEBRUARY 12, 2024

Public Wi-Fi users are prime targets for MITM attacks because the information they send is often not encrypted, meaning it’s easy for hackers to access your data. Look for the “https” in the website’s URL—it means there’s some level of encryption.

DNS 143

DNS VPN Encryption Passwords 143

Troy Hunt

JULY 12, 2018

The rapid adoption has been driven by a combination of ever more visible browser warnings (it was Chrome and Firefox's changes which prompted the aforementioned tipping point post), more easily accessible certificates via both Let's Encrypt and Cloudflare and a growing awareness of the risks that unencrypted traffic presents. DNS Hijacking.

DNS 276

DNS Wireless Risk Banking 276

Security Boulevard

AUGUST 6, 2024

Threat Intelligence Report Date: August 6, 2024 Prepared by: David Brunsdon, Threat Intelligence - Security Engineer, HYAS Dynamic DNS (DDNS) is a service that automatically updates the Domain Name System (DNS) in real-time to reflect changes in the IP addresses of a domain.

DNS 69

DNS Malware Social Engineering Engineering 69

Webroot

FEBRUARY 16, 2021

In recent months, you’ve likely heard about DNS over HTTPS , also known as DNS 2.0 and DoH, which is a method that uses the HTTPS protocol to encrypt DNS requests, shielding their contents from malicious actors and others who might misuse such information. Ultimately, this DNS privacy upgrade has been a long time coming.

DNS 94

DNS Encryption Firewall Network Security 94

Security Affairs

DECEMBER 5, 2020

The backdoor uses multiple tricks to evade detection and leverages DNS over HTTPS (DoH) to communicate with its C2 server, using Cloudflare responders. On top of the DNS C2 communication logic, PowerPepper also signals successful implant startup and execution flow errors to a Python backend, through HTTPS.

DNS 123

DNS Phishing Antivirus Encryption 123

eSecurity Planet

MAY 24, 2023

At a high level, DKIM enables an organization to provide encryption hash values for key parts of an email. Using public-private encryption key pairs, receiving email servers can compare the received email hash value against the received hash value to validate if any alterations took place in transit.

Technology 103

Technology DNS Encryption Authentication 103

Security Affairs

AUGUST 31, 2022

The phishing emails contain a Microsoft Office attachment that includes an external reference in its metadata which downloads a malicious template file. “This technique works by sending an encrypted string appended to the DNS query set as a subdomain. ” continues the report.

Malware 98

Malware DNS Antivirus Encryption 98

Webroot

SEPTEMBER 7, 2023

The number of ransomware attacks has increased by 18% , while the worldwide volume of phishing attacks doubled to 500 million in 2022. Email threat protection and email continuity Email is one of the most common entry points for attacks, from phishing links to ransomware and business email compromise (BEC) to malicious attachments.

Encryption 119

Encryption Cyber Insurance Cybercrime Phishing 119

CyberSecurity Insiders

MARCH 21, 2021

With a VPN like Surfshark to encrypt your online traffic and keep it protected against any security breach, your valuable data isn’t going to get compromised easily anytime soon. Cloud storage solutions are scalable and have the highest standards of data security and encryption protocols. Protecting your data is very simple.

Small Business 145

Small Business Cyber Attacks VPN Backups 145

CyberSecurity Insiders

JANUARY 6, 2022

Many people still don’t realize the dangers of phishing, malware, ransomware, unpatched software, and weak passwords. Secure Sockets Layer (SSL) is a standard security protocol that encrypts the connection between a web browser and a server. HTTPS and DNS), data link (e.g., Use data encryption.

Encryption 134

Encryption Identity Theft Authentication Data breaches 134

eSecurity Planet

SEPTEMBER 2, 2021

These malicious encryption attacks that take your data hostage are the most financially harmful attacks for companies. Hackers can target any of your employees with a fraudulent, “ spoofed ” email or several people in a specific department with a phishing campaign. Rampant Ransomware Attacks. DMARC Policy.

Ransomware 129

Ransomware DNS Small Business Authentication 129

eSecurity Planet

MAY 23, 2023

When an organization sets up SPF, it helps Internet Service Providers (ISPs), email security vendors, and other email providers to validate an organization’s email communication and distinguish authorized communications from spoofed emails or phishing attacks attempting to impersonate that domain.

DNS 98

DNS Phishing Authentication Internet 98

Security Affairs

JANUARY 29, 2023

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DNS 98

DNS Data breaches Hacking Backups 98

Security Boulevard

MARCH 3, 2023

Malvertising Enters a New Age While Google grapples with the potential threat that ChatGPT poses to its advertising business, cybercriminals are taking advantage of Google Ads to ramp up their phishing attacks on unsuspecting victims. Next-gen protective DNS. This practice is commonly known as “malvertising.”

Phishing 59

Phishing DNS Malware Software 59

eSecurity Planet

FEBRUARY 4, 2022

Originally developed to detect and remove malware or computer viruses, modern antivirus software can now protect against ransomware, browser attacks, keyloggers, malicious websites, and even sometimes phishing attempts. Scheduled scans Encryption Identity theft protection. DNS leak protection Kill switch No log policy.

Internet 144

Internet Internet Software Antivirus 144

Malwarebytes

JANUARY 22, 2024

These targets are approached in spear phishing attacks. Once a relationship has been established, the target will receive a phishing link or a document containing such a link. These lure documents, which are harmless PDF files, are sent to the target, but when they open them the content appears to be encrypted.

Social Engineering 119

Social Engineering Government Media DNS 119

Hot for Security

MAY 26, 2021

Like most ransomware variants, Conti typically steals victims’ files and encrypts the servers and workstations in an effort to force a ransom payment from the victim,” the agency notes. For example, the group is known to gain access to victims’ networks through phishing emails or Remote Desktop Protocol, by leveraging stolen credentials.

Healthcare 111

Healthcare Ransomware System Administration DNS 111

Pen Test Partners

DECEMBER 11, 2023

TL;DR Adversary in the Middle and email phishing attacks are re-purposed to steal MFA tokens from target users. Therefore, before repacking the credentials back up in TLS encryption, the proxy server has full sight of them from the victim. The most common toolkit used for AiTM phishing is Evilginx, and version 3.0

Phishing 75

Phishing Password Management Authentication Passwords 75

SecureList

SEPTEMBER 29, 2021

Later in May 2021, Microsoft also attributed spear-phishing campaign impersonating a US-based organization to Nobelium. DNS hijacking. Later this year, in June, our internal systems found traces of a successful DNS hijacking affecting several government zones of a CIS member state. December 28, 2020 to January 13, 2021.

DNS 140

DNS Malware Engineering Encryption 140

Security Affairs

MARCH 22, 2020

. “On March 16th I have found an unprotected and thus publicly available Elasticsearch instance which appeared to be managed by a UK-based security company, according to the SSL certificate and reverse DNS records.” ” wrote Security Discovery’s researcher Bob Diachenko. Adobe, Last.

Data breaches 111

Data breaches Advertising DNS Engineering 111

Security Affairs

MAY 15, 2023

Merdoor is a fully-featured backdoor that supports multiple capabilities, including installing itself as a service, keylogging, a variety of methods to communicate with its command-and-control (C&C) server (HTTP, HTTPS, DNS, UDP, TCP), and the ability to listen on a local port for commands.

Encryption 98

Encryption DNS Phishing Malware 98

SecureList

FEBRUARY 7, 2022

We have been tracking Roaming Mantis since 2018, and published five blog posts about this campaign: Roaming Mantis uses DNS hijacking to infect Android smartphones. Roaming Mantis dabbles in mining and phishing multilingually. Link from smishing message redirects to Wroba or phishing page. Roaming Mantis, part III. Wroba.o.

Phishing 99

Phishing DNS Mobile Malware 99

eSecurity Planet

NOVEMBER 18, 2021

Phishing scams use it to compromise networks. They spot unwanted traffic such as spam, phishing expeditions, malware, and scams. A good email gateway will contain most of the following features: Identify and filter spam, viruses, phishing and malware from URLs or attachments. Key Features of Secure Email Gateways.

Phishing 126

Phishing Malware Engineering Ransomware 126

Daniel Miessler

SEPTEMBER 27, 2020

VPNs encrypt the traffic between you and some endpoint on the internet, which is where your VPN is based. If your VPN includes all DNS requests and traffic then you could be hiding significantly from your ISP. You will eventually be hacked via phishing, social engineering, poisoning a site you already frequent, or some other technique.

VPN 326

VPN Risk Hacking Encryption 326

Cisco Security

JULY 22, 2021

At a basic level, it’s a form of malware where attackers steal, encrypt, and hold ransom an organization’s business-critical data unless the organization pays a sum of money to restore access to and decrypt their data. Web security: Most ransomware attacks use DNS. But first, what is ransomware?

Ransomware 145

Ransomware DNS Authentication Cybercrime 145

NetSpi Technical

OCTOBER 19, 2023

Let’s try DNS. To quickly test if we have DNS outbound, we can use Burp Suite Collaborator. This will give us a unique address that we can query and let us know if a DNS request was received. import socket data = socket.gethostbyname_ex(‘<collaborator URL>’) print(repr(data)) We have DNS outbound.

DNS 97

DNS Internet Internet Phishing 97

Security Affairs

JULY 11, 2022

A large-scale phishing campaign leveraging the Anubis Network is targeting Brazil and Portugal since March 2022. A large-scale phishing campaign is targeting Internet-end users in Brazil and Portugal since March 2022. Figure 1: High-level diagram of the ANUBIS phishing network and its components (2020). The Phishing template.

Phishing 102

Phishing Social Engineering Banking Engineering 102

Security Affairs

FEBRUARY 19, 2019

Over the last few days, a phishing campaign from DHL and entitled “ DHL Shipment Notification ” has been targeted users worldwide distribution the Muncy malware. Now, the malware is targeting user’s worldwide and has been spread via phishing campaigns. The phishing campaign trying to impersonate DHL. Pay attention.

Malware 103

Malware Phishing DNS Engineering 103

SecureList

SEPTEMBER 2, 2021

The infection chain of recent QakBot releases (2020-2021 variants) is as follows: The user receives a phishing email with a ZIP attachment containing an Office document with embedded macros, the document itself or a link to download malicious document. The loaded payload (stager) includes another binary containing encrypted resource modules.

Passwords 145

Passwords Encryption Banking Malware 145

Security Boulevard

NOVEMBER 12, 2023

Protect against phishing and man-in-the-middle attacks by preventing criminals from mimicking trusted websites and tricking users into entering sensitive information. Ensure data confidentiality and integrity with robust encryption algorithms to protect information transmitted between browsers and website servers. Domain configuration.

DNS 75

DNS eCommerce Encryption Phishing 75

Security Affairs

MARCH 22, 2020

. “On March 16th I have found an unprotected and thus publicly available Elasticsearch instance which appeared to be managed by a UK-based security company, according to the SSL certificate and reverse DNS records.” ” wrote Security Discovery’s researcher Bob Diachenko. Adobe, Last.

Data breaches 93

Data breaches Advertising DNS Engineering 93

eSecurity Planet

MARCH 14, 2022

Cobalt Strike – now owned by HelpSystems – provides various packages and tools to detect outdated software, generate malware , test endpoints , or run spear phishing campaigns that maximize success rate. It’s a pretty clever way to hide malicious instructions using DNS entries and some obfuscation algorithm the Beacon can decode.

Energy and Utilities 132

Energy and Utilities DNS Penetration Testing Ransomware 132

Malwarebytes

SEPTEMBER 14, 2022

DNS filtering. The next technology you need to prevent cyberattacks is a DNS filter. But first, a little bit about what DNS (domain name system) is. Every time a customer types in your web address, their computer makes a request to a DNS server. The DNS server, in turn, tells the computer where to go.

Technology 79

Technology DNS Cyber Insurance Insurance 79

Security Boulevard

SEPTEMBER 5, 2024

BlindEagle’s primary method to gain initial access to the targets’ systems is through phishing emails. Figure 2: Example BlindEagle phishing email spoofing DIAN with a PDF attachment and malicious link in the email body.The download URL directs the victim to a password-protected ZIP archive. gov.co" top-level domain.

Insurance 87

Insurance Phishing Banking Encryption 87

eSecurity Planet

JUNE 8, 2023

Email security consists of the policies, tools, and services deployed to protect against threats specific to email such as spam, phishing attacks, malware-infested attachments, impersonation, and email interception. Encrypted email Despite many advancements in email tools, the email format itself remains a text-based protocol.

Firewall 80

Firewall DNS Authentication Malware 80