Malwarebytes

DECEMBER 1, 2023

For a “normal” connection to a website, a Domian Name System (DNS) finds the IP address for the requested domain name. As I explained in the blog DNS hijacks: what to look for , DNS is the phonebook of the internet to the effect that the input is a name and the output is a number.

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DNS Internet Internet Encryption 87

Dark Reading

OCTOBER 3, 2018

Alphabet's Jigsaw has released Intra, a free security app that aims to prevent government censorship.

DNS 72

DNS Encryption Government 72

Malwarebytes

JANUARY 22, 2024

The main targets of the Coldriver group are high-profile individuals in non-governmental organizations (NGOs), former intelligence and military officials, and NATO governments. Their activities are aligned with those of the Russian government, so it’s pretty safe to say that Coldriver is a state-sponsored group.

Social Engineering 97

Social Engineering Government Media DNS 97

eSecurity Planet

AUGUST 8, 2022

email domain providers and many corporate and government entities. A public key is stored with the Domain Name System (DNS) for download by any email server receiving emails with the encrypted digital signature. Domains receiving emails can compare the envelope of the email and compare against DNS records. What is DMARC?

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DNS Phishing Authentication Marketing 114

Hacker Combat

JULY 5, 2021

Further, it also matches the two variants in how the malware executes file encryption and secures command-line disputes. ” Still, unlike FiveHands and HelloKitty, the new ransomware variant relies on a Go-based packer that encrypts its C++ malicious software payload. This malicious software also utilizes Golang to steal data.

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Ransomware DNS Software Encryption 132

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. In 2020 the U.S.

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DDOS DNS Firewall Internet 145

Security Affairs

FEBRUARY 18, 2024

Ukrainian national faces up to 20 years in prison for his role in Zeus, IcedID malware schemes CISA: Cisco ASA/FTD bug CVE-2020-3259 exploited in ransomware attacks CISA adds Microsoft Exchange and Cisco ASA and FTD bugs to its Known Exploited Vulnerabilities catalog US gov offers a reward of up to $10M for info on ALPHV/Blackcat gang leaders U.S.

Cybercrime 94

Cybercrime Ransomware Malware Data breaches 94

eSecurity Planet

SEPTEMBER 17, 2021

Cobalt Strike Beacon Linux enables emulation of advanced attacks to a network over HTTP, HTTPS, or DNS. It’s a DNS-based communication that helps circumvent classic defense mechanisms that focus on HTTP traffic. A New Variant of Cobalt Strike. It provides a console where you can open a beacon session and enter specific commands.

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DNS Malware Software Security Awareness 117

eSecurity Planet

SEPTEMBER 2, 2021

These malicious encryption attacks that take your data hostage are the most financially harmful attacks for companies. It’s not uncommon for most data to remain encrypted or corrupted. DMARC is based on email authentication, and much of the responsibility rests with senders and their DNS text resource records. East Coast.

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Ransomware DNS Small Business Authentication 126

Security Affairs

JUNE 12, 2022

Ransomware gangs are exploiting CVE-2022-26134 RCE in Atlassian Confluence servers HID Mercury Access Controller flaws could allow to unlock Doors Iran-linked Lyceum APT adds a new.NET DNS Backdoor to its arsenal PACMAN, a new attack technique against Apple M1 CPUs Threat actors exploit recently disclosed Atlassian Confluence flaw in cryptomining campaign (..)

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Ransomware DNS Cybercrime Hacking 113

Google Security

MAY 25, 2023

At Cloudflare, we believe encryption should be free for all; we pioneered that for all our customers back in 2014 when we included encryption for free in all our products. Their technical expertise guarantees they'll be able to scale to meet the needs of an increasingly encrypted Internet," says Matthew Prince, CEO, Cloudflare.

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Encryption Internet Internet DNS 90

Troy Hunt

JULY 21, 2021

Not only do they control the access rights to the mailbox, they also control DNS and MX records therefore they control the routing of emails. Thirdly and finally, it's up to organisations to self-govern. Now, keep in mind that Ashley Madison's mission statement back then was the same as it still is today: "Life is short.

Accountability 363

Accountability Data breaches Government InfoSec 363

Security Affairs

APRIL 23, 2019

Security expert Marco Ramilli published the findings of a quick analysis of the webmask project standing behind the DNS attacks implemented by APT34 (aka OilRig and HelixKitten ). The group conducts operations primarily in the Middle East, targeting financial, government, energy, chemical, telecommunications and other industries.

DNS 75

DNS Computers and Electronics Penetration Testing Government 75

Security Affairs

MAY 15, 2023

The highly-targeted attacks aim at organizations in government, aviation, education, and telecom sectors. The instances of the Merdoor backdoor analyzed by the researchers only differ for the embedded and encrypted configuration, which includes C2 communication method, service details, and the installation directory.

Encryption 83

Encryption DNS Phishing Malware 83

Security Affairs

NOVEMBER 9, 2020

The group already targeted in the past the Kuwait government, he also carried out attacks against shipping and transportation organizations. “The Snugy backdoor uses a DNS tunneling channel to run commands on the compromised server.

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DNS Accountability Government Cyber Attacks 110

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). Virtual private networks (VPNs): Secure remote user or branch office access to network resources through encrypted connections to firewalls or server applications.

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Architecture Network Security Firewall Risk 117

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.

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DNS Wireless Risk Banking 276

eSecurity Planet

MAY 2, 2024

50,000 DDoS attacks on public domain name service (DNS) resolvers. 553% increase in DNS Flood attacks from 1H 2020 to 2H 2023. DDoS attacks on single networks or websites render them unavailable, but DDoS attacks on DNS resolvers bring down all networks and websites using that DNS resource.

Cybersecurity 119

Cybersecurity DDOS Penetration Testing Passwords 119

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 85

Cybercrime Advertising Engineering Antivirus 85

eSecurity Planet

JANUARY 27, 2022

In the current threat environment, the Federal Government can no longer depend on conventional perimeter-based defenses to protect critical systems and data,” Young wrote. “A All traffic must be encrypted and authenticated as soon as practicable.”. networks encrypting all DNS requests and HTTP traffic.

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Cybersecurity Architecture Government Authentication 114

SecureList

SEPTEMBER 29, 2021

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. During these time frames, the authoritative DNS servers for the zones above were switched to attacker-controlled resolvers. mail.invest. January 13-14, 2021.

DNS 105

DNS Malware Engineering Encryption 105

Duo's Security Blog

JANUARY 28, 2022

Where the Federal government goes, other parts of the private sector follow. So it was good to see that in response to last May’s Executive Order 14028 , the Office of Management and Budget (OMB) released a memo Wednesday outlining a new strategy for moving the federal government toward a zero trust cybersecurity posture.

Authentication 52

Authentication Government DNS Encryption 52

SecureList

DECEMBER 1, 2023

The targets included government, military, critical infrastructure and IT organizations in Ukraine, Romania, Poland, Jordan, Turkey, Italy and Slovakia. libssl.dll or libcurl.dll was statically linked to implants to implement encrypted C2 communications. org domain.

Malware 98

Malware Ransomware Encryption Energy and Utilities 98

Security Affairs

JUNE 9, 2022

SentinelOne documented a series of attacks aimed at government, education, and telecom entities in Southeast Asia and Australia carried out by a previously undocumented Chinese-speaking APT tracked as Aoqin Dragon. The APT primary focus on cyberespionage against targets in Australia, Cambodia, Hong Kong, Singapore, and Vietnam.

Malware 84

Malware DNS Encryption Education 84

Cisco Security

JULY 22, 2021

High-profile cyberattacks on critical infrastructure and sectors in the global economy, such as government agencies, a major U.S. Web security: Most ransomware attacks use DNS. Certainly not a new form of cybercrime, but one that has dominated mainstream headlines in recent months. But first, what is ransomware?

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Ransomware DNS Authentication Cybercrime 139

SC Magazine

FEBRUARY 17, 2021

.” Quad9 is a non-profit offering a free recursive DNS service that does not log user data. It offers additional privacy and security features, including screening for malicious domains and encryption. and Google Public DNS. Other alternatives in the same space include Cloudflare’s 1.1.1.1

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DNS Telecommunications Surveillance Data collection 96

eSecurity Planet

MAY 28, 2021

Ransomware: Encryption, Exfiltration, and Extortion. Ransomware perpetrators of the past presented a problem of availability through encryption. Detect Focus on encryption Assume exfiltration. Also Read: Cybersecurity Becomes A Government Priority. Also Read: How to Prevent DNS Attacks. Old way New way.

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Software Firmware DNS VPN 116

Security Affairs

DECEMBER 7, 2019

Russia-linked Gamaredon cyberespionage group has been targeting Ukrainian targets, including diplomats, government and military officials. Russia linked APT group tracked as Gamaredon has been targeting several Ukrainian diplomats, government and military officials, and law enforcement. ” continues the analysis. .

Government 57

Government Advertising Media DNS 57

SecureList

JANUARY 28, 2021

How are governments and enterprises going to react to this in 2021? Apple has publicly clashed with Facebook claiming it has to protect its users’ privacy, while the latter is wrestling with regulators to implement end-to-end encryption in its messaging apps. However, private companies are not really keen on sharing it.

Marketing 68

Marketing Data collection Government Encryption 68

Security Affairs

AUGUST 10, 2020

Our findings show that both Telenor and MPT block websites using DNS tampering. MPT is ignoring the DNS requests to the blocked domains, while Telenor is redirecting them to an IP address outside of the country. The block page uses the domain “ urlblocked.pw ” registered the 26th of March 2020 with a free Let’s encrypt certificate.

Internet 73

Internet Internet Telecommunications DNS 73

Security Affairs

JULY 23, 2019

APT15 has been active since at least 2010, it conducted cyber espionage campaigns against targets worldwide in several industries, including the defense, high tech, energy, government, aerospace, and manufacturing. Once executed the command the backdoor returns output through DNS.

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DNS Malware Advertising Manufacturing 86

Approachable Cyber Threats

MARCH 22, 2022

That is, most of our critical infrastructure is not under federal government authority and not subject to its strict security controls. Verizon), DNS resolvers (e.g. Cloudflare), authentication platforms (e.g.

Cybersecurity 98

Cybersecurity Internet Internet Accountability 98

Thales Cloud Protection & Licensing

SEPTEMBER 9, 2021

Thales and PrimeKey are partnering to offer a hybrid approach to securing PKI key management which can assist modern industries that are looking for a unified PKI governance solution. Communication verification and integrity, such as email encryption, digital signatures, and invoicing.

Manufacturing 71

Manufacturing Technology IoT Government 71

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. The Government. If you log in at the end website you’ve identified yourself to them, regardless of VPN.

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VPN Risk Hacking Encryption 326

SecureList

MAY 23, 2023

GoldenJackal is an APT group, active since 2019, that usually targets government and diplomatic entities in the Middle East and South Asia. Code snippet used to generate the BOT_ID The resulting BOT_ID is used also to initialize the DES key and IV, which are then used to encrypt communication with the C2. User-Agent: Mozilla/5.0

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Malware Encryption Government Technology 122

Troy Hunt

JANUARY 10, 2018

It's operating in an era of increasingly large repositories of personal data held by both private companies and governments alike. Precedents like Stuxnet , created by the US and Israeli governments to damage the Iranian nuclear program by targeting air-gapped centrifuges via 4 previously unknown "zero-day" flaws.

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Hacking Government Risk Encryption 279

Security Affairs

MARCH 6, 2019

Criminals used UPX packer to protect malware code written in Go and a RSA public certificate is hardcoded inside malware to encrypt all user’s target files. This finding results in a simple “key” to encrypt all the infected victims. However, the RSA public key used to encrypt the target files is static and hardcoded inside ransomware.

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Ransomware Encryption Malware Cyber Attacks 80