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 73

Technology DNS Encryption Authentication 73

CyberSecurity Insiders

FEBRUARY 16, 2023

So, to avoid such troubles from file encrypting malware, the following are the steps to follow to protect backups from being corrupted with encryption- Update- It is a known fact that back-up systems are the first to receive OS updates and so admins should subscribe to automatic updates for backup software.

Backups 116

Backups Ransomware DNS Encryption 116

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 279

Phishing DNS Social Engineering Accountability 279

CyberSecurity Insiders

APRIL 12, 2023

SPF: also known as Sender Policy Framework, is a DNS record used for authentication mechanism in email addresses. SPF is a txt record configured in DNS records. This allows the receiver’s mailbox to verify that the email was sent by authenticated user/owner of the domain.

DNS 107

DNS Authentication Internet Internet 107

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 210

DNS Phishing Social Engineering Cyber Attacks 210

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 231

DNS Ransomware Accountability Internet 231

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 254

DNS Social Engineering Engineering Accountability 254

CyberSecurity Insiders

JANUARY 6, 2022

Secure Sockets Layer (SSL) is a standard security protocol that encrypts the connection between a web browser and a server. This only takes a few clicks, because an SSL certificate is a text file with encrypted data. HTTPS and DNS), data link (e.g., Use data encryption. Given that the average cost of a data breach is $3.86

Encryption 134

Encryption Identity Theft Authentication Data breaches 134

Schneier on Security

MAY 1, 2018

QuickDDNS is a Dynamic DNS service provider operated by Dahua. Their first two findings are that "Many IoT devices lack basic encryption and authentication" and that "User behavior can be inferred from encrypted IoT device traffic." Amcrest WiFi Security Camera. No surprises there. Boingboing post.

IoT 153

IoT Manufacturing Encryption DNS 153

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 105

DNS Phishing Authentication Marketing 105

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 spoofing or poisoning.

DNS 125

DNS Penetration Testing Encryption Architecture 125

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. TLS and HTTPS inherently create secured and encrypted sessions for communication.

DNS 97

DNS DDOS Firewall Architecture 97

Security Boulevard

JANUARY 17, 2024

RBI solutions typically allow the configuration of file upload and download profiles, restricting the types of files that can be submitted or retrieved from websites based on multiple factors such as file extension, size, entropy/encryption of data, signatures, site reputation, and more. This can be due to encryption or even size.

DNS 62

DNS Penetration Testing Passwords Encryption 62

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 78

IoT Hacking DNS Authentication 78

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.

VPN 93

VPN DNS Authentication Mobile 93

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 79

Cryptocurrency DNS Malware Encryption 79

Security Affairs

JULY 21, 2023

The attackers obtained encrypted passwords from NetScaler ADC configuration files, and the decryption key was stored on the ADC appliance. The attackers attempted to verify outbound network connectivity with a ping command and executed host commands for a subnet-wide DNS lookup. Network-segmentation controls blocked this activity too.

VPN 82

VPN Cyber Attacks DNS Software 82

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.

Authentication 52

Authentication Passwords Media Encryption 52

SecureWorld News

MARCH 29, 2024

Cybercriminals can then exploit the compromised device for various purposes, such as stealing personal information, conducting financial fraud, recruiting it into a botnet, or encrypting data and holding it for ransom. This interference is a major catalyst for double extortion that involves both a breach and data encryption.

Cybercrime 79

Cybercrime Advertising Engineering Antivirus 79

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 . Cloud storage solutions are scalable and have the highest standards of data security and encryption protocols. Firewalls .

Small Business 145

Small Business Cyber Attacks VPN Backups 145

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 110

Malware DNS Encryption Cryptocurrency 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.

Encryption 86

Encryption Technology Risk Architecture 86

Security Affairs

MAY 6, 2023

Twitter confirmed that a security incident publicly exposed Circle tweets FBI seized other domains used by the shadow eBook library Z-Library WordPress Advanced Custom Fields plugin XSS exposes +2M sites to attacks Fortinet fixed two severe issues in FortiADC and FortiOS Pro-Russia group NoName took down multiple France sites, including the French (..)

Data breaches 96

Data breaches Malware Mobile Spyware 96

Security Affairs

JUNE 20, 2022

Security Affairs is one of the finalists for the best European Cybersecurity Blogger Awards 2022 – VOTE FOR YOUR WINNERS.

Spyware 72

Spyware DNS Surveillance Ransomware 72

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. Matryosh is special in that it uses the encrypted Tor network to mask its malicious traffic. How does Matryosh work?

DDOS 98

DDOS Internet Internet DNS 98

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. SSL Certificates for data encryption The S at the end of an HTTP connection indicates a Secure Sockets Layer (SSL).

Backups 69

Backups Cybercrime Authentication Accountability 69

Pen Test Partners

DECEMBER 11, 2023

Therefore, before repacking the credentials back up in TLS encryption, the proxy server has full sight of them from the victim. The two login events from the red IP address are the proxy server, with the first entry showing that Microsoft has interrupted the login and requested an MFA authentication.

Phishing 66

Phishing Password Management Authentication Passwords 66

eSecurity Planet

JANUARY 8, 2021

Missing data encryption. When your data is not properly encrypted before storage or transmission, your vulnerability to a cyber threat increases. Solution : While many software solutions exist to assist you with data encryption, you’ll need to find an encryption solution that meets your needs. How to Prevent DNS Attacks.

DDOS 56

DDOS Encryption Authentication Firewall 56

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 89

IoT DDOS Passwords Malware 89

Duo's Security Blog

JULY 8, 2021

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. For example, a hospital in Düsseldorf, Germany became infected with ransomware that managed to encrypt its systems. Bait CDs were then distributed at the World Health Organization’s AIDS conference.

Ransomware 87

Ransomware DNS Encryption Healthcare 87

Security Boulevard

APRIL 13, 2022

I’d also like to thank Duane Michael ( @subat0mik ) and Evan McBroom ( @mcbroom_evan ) for researching Network Access Account (NAA) policy encryption and decryption with me (coming soon), as well as Elad Shamir ( @elad_shamir ) and Nick Powers ( @zyn3rgy ) for helping me identify the attacks that are possible using the relayed credentials.

Authentication 52

Authentication Accountability Penetration Testing Software 52

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 108

VPN Passwords Encryption Malware 108

Security Affairs

JULY 27, 2020

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.”. “On a test network with CoAP clients and servers, we launched an amplification attack with increasing payload size and estimated the maximum bandwidth amplification factor (BAF).

DDOS 111

DDOS IoT Internet Internet 111

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.

Ransomware 57

Ransomware Encryption Phishing DNS 57

CyberSecurity Insiders

APRIL 6, 2023

GoDaddy, Network Solutions) DNS service (E.g., If privilege escalation is possible from within an already-authenticated account, the mechanism by which that occurs must be thoroughly documented and monitored (logged) too. Akamai, CloudFront) Certificate providers (E.g., PCI DSS v4.0

Accountability 57

Accountability DNS DDOS VPN 57

Troy Hunt

NOVEMBER 25, 2020

For some reason, the Shelly on my garage door is making a DNS request for api.shelly.cloud once every second! The vulnerability is the result of weak encryption used by TP-Link. The growth has been driven by the free and easy availability of certificates, largely due to the emergence of Let's Encrypt in 2016.

IoT 358

IoT Firmware Risk Manufacturing 358

Fox IT

JANUARY 12, 2021

The threat used valid accounts against remote services: Cloud-based applications utilizing federated authentication protocols. The VPN was protected by two-factor authentication (2FA) by sending an SMS with a one-time password (OTP) to the user account’s primary or alternate phone number. Account discovery (T1087).

VPN 68

VPN Accountability Passwords DNS 68