eSecurity Planet

MAY 24, 2023

The DomainKeys Identified Mail (DKIM) email authentication standard enables email servers to check incoming emails to verify the sender and detect email message alterations. At a high level, DKIM enables an organization to provide encryption hash values for key parts of an email. The “p” field is the public encryption key value.

Technology 92

Technology DNS Encryption Authentication 92

CyberSecurity Insiders

APRIL 12, 2023

E-mail, also referred to as electronic mail, is an internet service which allows people and digital services to transmit messages(letters) in electronic form across Internet. SPF: also known as Sender Policy Framework, is a DNS record used for authentication mechanism in email addresses. What is an e-mail?

DNS 107

DNS Authentication Internet Internet 107

Krebs on Security

MARCH 31, 2020

PT Monday evening, Escrow.com’s website looked radically different: Its homepage was replaced with a crude message in plain text: The profanity-laced message left behind by whoever briefly hijacked the DNS records for escrow.com. The attacker also obtained free encryption certificates for escrow.com from Let’s Encrypt.

Phishing 281

Phishing DNS Social Engineering Accountability 281

Krebs on Security

FEBRUARY 4, 2019

Godaddy.com , the world’s largest domain name registrar, recently addressed an authentication weakness that cybercriminals were using to blast out spam through legitimate, dormant domains. The domains documented by MyOnlineSecurity all had their DNS records altered between Jan. 31 and Feb. 22 report on the GoDaddy weakness.

DNS 233

DNS Ransomware Accountability Internet 233

The Last Watchdog

JUNE 1, 2021

The Pharming attacks are carried out by modifying the settings on the victim’s system or compromising the DNS server. Manipulating the Domain Name Service (DNS) protocol and rerouting the victim from its intended web address to the fake web address can be done in the following two ways: •Changing the Local Host file.

DNS 214

DNS Phishing Social Engineering Cyber Attacks 214

Krebs on Security

JANUARY 24, 2020

13, 2020, which was the date the fraudsters got around to changing the domain name system (DNS) settings for e-hawk.net. That alert was triggered by systems E-HAWK had previously built in-house that continually monitor their stable of domains for any DNS changes. Dijkxhoorn said his company first learned of the domain theft on Jan.

DNS 259

DNS Social Engineering Engineering Accountability 259

Schneier on Security

MAY 1, 2018

Researchers at Princeton University have released IoT Inspector , a tool that analyzes the security and privacy of IoT devices by examining the data they send across the Internet. QuickDDNS is a Dynamic DNS service provider operated by Dahua. They've already used the tool to study a bunch of different IoT devices. No surprises there.

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IoT Manufacturing Encryption DNS 157

eSecurity Planet

AUGUST 8, 2022

When organizations implement Domain-based Message Authentication, Reporting and Conformance ( DMARC ), they expect to tighten email security and protect against spoofing and other spam email attacks. DMARC provides widely established standards for email authentication and is adopted by all U.S. What is DKIM? What is SPF?

DNS 116

DNS Phishing Authentication Marketing 116

eSecurity Planet

DECEMBER 8, 2023

Domain name service (DNS) attacks threaten every internet connection because they can deny, intercept, and hijack connections. With the internet playing an increasing role in business, securing DNS plays a critical role in both operations and security. Everything You Need to Know.

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DNS DDOS Firewall Architecture 112

eSecurity Planet

JULY 25, 2022

The domain name system (DNS) is basically a directory of addresses for the internet. Your browser uses DNS to find the IP for a specific service. For example, when you enter esecurityplanet.com, the browser queries a DNS service to reach the matching servers, but it’s also used when you send an email.

DNS 137

DNS Penetration Testing Encryption Architecture 137

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. Two-factor authentication . In fact, over 25% of small businesses are using a VPN to access the internet. Protecting your data is very simple.

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Small Business Cyber Attacks VPN Backups 145

SecureWorld News

MARCH 29, 2024

At its core, this tactic revolves around gaming the trust users put in reputable internet services, including search engines, and the familiarity they have with online advertising per se. This interference is a major catalyst for double extortion that involves both a breach and data encryption.

Cybercrime 79

Cybercrime Advertising Engineering Antivirus 79

Malwarebytes

FEBRUARY 9, 2021

The new botnet, which is called Matryosh, is named after the Russian nesting dolls because the encryption algorithm it uses, and the process of obtaining command and control (C2) are nested in layers. While ADB has a genuine use for developers, an internet-facing ADB also opens the way for remote attacks. How does Matryosh work?

DDOS 99

DDOS Internet Internet DNS 99

Security Affairs

DECEMBER 24, 2018

The communications are not encrypted, however the WiFi password is sent encrypted during set up (albeit trivial to decrypt).” “As the communications are not encrypted, it is simple to Man-in-the-Middle the traffic and analyse the API.” ” reads the analysis published by MWR InfoSecurity.

IoT 79

IoT Hacking DNS Authentication 79

eSecurity Planet

DECEMBER 23, 2020

As a result, companies are relying on virtual private networks (VPNs) , which establish encrypted connections to enterprise applications over the public internet, to connect their workforce. VPNs are intrinsically designed to be encrypted tunnels that protect traffic, making them a secure choice for enabling remote work.

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VPN DNS Authentication Mobile 104

Pen Test Partners

SEPTEMBER 13, 2023

Section 3 Sensitive authentication data must now be encrypted or protected if stored before authorization. Disk level encryption is no longer permitted for protection unless it is a form of removeable media (e.g., If using just passwords for authentication, service providers must change customer passwords every 90 days.

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Authentication Passwords Media Encryption 52

Security Affairs

JULY 27, 2020

In December 2018, security experts from Trend Micro discovered that some machine-to-machine (M2M) protocols can be abused to attack IoT and industrial Internet of Things (IIoT) systems. According to our estimate, CoAP can reach up to 32 times (32x) amplification factor, which is roughly between the amplification power of DNS and SSDP.”.

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DDOS IoT Internet Internet 110

SecureWorld News

SEPTEMBER 7, 2023

Quantum computing poses a potential threat to current cybersecurity practices, which are based on encryption algorithms that can be broken by quantum computers. Ultimately, regardless of how standards and technology continue to evolve and adapt, the shortest way to break encryption is to obtain the key.

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Encryption Technology Risk Architecture 86

SecureList

OCTOBER 25, 2023

It comes equipped with a built-in TOR network tunnel for communication with command servers, along with update and delivery functionality through trusted services such as GitLab, GitHub, and Bitbucket, all using custom encrypted archives. The malware executable file is placed in /tmp directory with a random name.

Malware 107

Malware DNS Encryption Cryptocurrency 107

SecureList

JUNE 5, 2023

It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom. The encrypted data is stored inside the malicious payload. To do so, it performs a DNS request to don-dns[.]com com don-dns[.]com

Cryptocurrency 78

Cryptocurrency DNS Malware Encryption 78

Duo's Security Blog

JULY 8, 2021

When Popp’s AIDS ransomware was released, it didn’t rely on an internet connection, nor did it have the benefit of Satoshi’s brain child (which was still years away). Next, it would encrypt files on the victim’s system and deny access until they sent a $189 payment to a post office box in Panama.

Ransomware 86

Ransomware DNS Encryption Healthcare 86

SecureList

SEPTEMBER 21, 2023

Brute-force attacks on services that use SSH, a more advanced protocol that encrypts traffic, can yield similar outcomes. Its capabilities include smart brute-forcing by analyzing the initial request for authentication data it receives from a Telnet service. BTC to recover the data.

IoT 86

IoT DDOS Passwords Malware 86

eSecurity Planet

FEBRUARY 4, 2022

Malware is one of the biggest threats businesses face, and with nearly a third of all malware coming through the internet and email, businesses and consumers alike need ways to protect themselves. This guide covers the major categories of internet security suites and includes a few of the top options for each. Antivirus Software.

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Internet Internet Software Antivirus 143

Troy Hunt

NOVEMBER 25, 2020

Back to the bit about risks impacting data collected by IoT devices and back again to CloudPets, Context Security's piece aligned with my own story about kids' CloudPets messages being left exposed to the internet. Or are they just the same old risks we've always had with data stored on the internet?

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IoT Firmware Risk Manufacturing 358

SecureList

APRIL 22, 2024

A connection like this created on domain controllers allows attackers to obtain the IP addresses of hosts on the internal network through DNS queries. Data for connecting the remote client to the server and its authentication details are added to the configuration file: AccountName Hostname ha.bbmouseme[.]com

VPN 105

VPN Passwords Encryption Malware 105

Security Boulevard

FEBRUARY 26, 2021

Destructive attacks and the sale of direct access into corporate networks are also rising trends and the lucrative payoff potential from all these is changing how adversaries approach their craft; a typical ransomware attack today is designed to do a lot more than simply encrypt data.

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Ransomware Encryption Phishing DNS 57

Thales Cloud Protection & Licensing

SEPTEMBER 9, 2021

PrimeKey’s EJBCA Cloud acts as the in-house certificate authority (CA) for provisioning of all certificates required for ensuring the integrity and authenticity of OTA updates. Communication verification and integrity, such as email encryption, digital signatures, and invoicing.

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Manufacturing Technology IoT Government 71

eSecurity Planet

MAY 23, 2023

The Sender Policy Framework (SPF) authentication method identifies the authorized mail servers permitted to send email on behalf of a given domain. SPF enables a form of email authentication that defines the domains and internet protocol (IP) addresses authorized by an organization to send emails.

DNS 95

DNS Phishing Authentication Internet 95

eSecurity Planet

SEPTEMBER 3, 2022

These events can occur accidentally and even within a corporate network; however, intentional attacks on internet-facing resources are far more common. Also read: How to Secure DNS. DNS Flood: The attacking machines send spoofed DNS requests at a high packet rate to overwhelm the DNS server and shut down the domain.

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DDOS DNS Firewall Internet 143

Fox IT

JANUARY 12, 2021

These credentials are used in a credential stuffing or password spraying attack against the victim’s remote services, such as webmail or other internet reachable mail services. The threat used valid accounts against remote services: Cloud-based applications utilizing federated authentication protocols. Account discovery (T1087).

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VPN Accountability Passwords DNS 68

Cisco Security

MARCH 27, 2021

Shrink the DNS attack surface with Auth-DoH. In this analogy, the invisibility superpower is DNS over HTTPS (DoH). It’s a new protocol that encrypts the DNS request to keep bad actors from discovering or altering domain names or snooping on users’ internet destinations. My inspiration: Loki , the Marvel superhero.)

DNS 104

DNS VPN Advertising Encryption 104

Security Affairs

DECEMBER 20, 2018

The malware tries to connect to the remote host 149.154.157.104 (EDIS-IT IT) through an encrypted SSL channel, then it downloads other components and deletes itself from the filesystem. This way, it inspects all incoming and outgoing internet traffic. Technical Analysis. Temporary SQLite database with stealed credentials. Web-Inject.

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Banking Malware Internet Internet 74

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. The internet of things (IoT), operations technology (OT), and the industrial internet of things (IIoT) also now connect to networks. In a complex, modern network, this assumption falls apart.

Network Security 95

Network Security Firewall Penetration Testing Encryption 95

Malwarebytes

OCTOBER 5, 2021

The Internet is a patchwork of hundreds of thousands of separate networks, called Autonomous Systems, that are stitched together with BGP. To route data across the Internet, Autonomous Systems need to know which IP addresses other Autonomous Systems either control or can route traffic to. And then there’s the influencers.

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DNS Internet Internet Mobile 144

SecureList

DECEMBER 8, 2022

Connect to C2 URL over HTTP with GET/POST methods using hidden Internet Explorer instance (called using InternetExplorer.Application). Runs ie.vbe script using CScript.exe to ensure no residual Internet Explorer instances exists after C2 communication uses IE hidden browser. function shell_exec(command). Function RunIeScript().

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Malware DNS Engineering Internet 104

eSecurity Planet

MARCH 22, 2023

Networks connect devices to each other so that users can access assets such as applications, data, or even other networks such as the internet. Although beyond the scope of the network, effective network security relies upon the effective authentication of the user elsewhere in the security stack.

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Firewall Network Security Penetration Testing Encryption 107

eSecurity Planet

MARCH 25, 2022

RDP intrusions are typically the result of two attacker methods: brute force authentication attempts or a meddler-in-the-middle (MITM) attack. Remote desktop software’s sensitive influence over other devices means identity and access management (IAM), password security , and multi-factor authentication are critical for risk management.

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VPN Software Authentication Encryption 119