Security Boulevard

FEBRUARY 14, 2024

The post Infoblox Applies AI to DNS Traffic to Thwart Malware Infestations appeared first on Security Boulevard. Infoblox is leveraging AI to identify websites that are sources of malware and block them to make IT environments more secure.

DNS 73

DNS Malware Risk Mobile 73

Cisco Security

MARCH 23, 2021

This is what we covered in part one of this Threat Trends release on DNS Security, using data from Cisco Umbrella , our cloud-native security service. This time we’ll be comparing yearly totals of DNS traffic to malicious sites, by industry. As in part one, we’ll be looking at data covering the calendar year of 2020.

DNS 137

DNS Financial Services Manufacturing Healthcare 137

Security Boulevard

MAY 20, 2022

What Is DNS Spoofing and How Is It Prevented? What Is the DNS and DNS Server? . To fully understand DNS spoofing, it’s important to understand DNS and DNS servers. The DNS “domain name system” is then what translates the domain name into the right IP address. What Is DNS Spoofing? .

DNS 98

DNS Cyber Attacks Encryption Risk 98

SC Magazine

MARCH 4, 2021

A PDNS service uses existing DNS protocols and architecture to analyze DNS queries and mitigate threats. A PDNS can log and save suspicious queries and provide a blocked response, delaying or preventing malicious actions – such as ransomware locking victim files – while letting organizations investigate using those logged DNS queries.

DNS 131

DNS Architecture Firewall Malware 131

Security Boulevard

JANUARY 31, 2024

It was DNS. It’s always DNS: Government ministry denies hackers hacked its network infrastructure. The post Russian Internet Outage: DNSSEC Oops or Ukraine Hack? appeared first on Security Boulevard.

Internet 89

Internet Internet DNS Hacking 89

Krebs on Security

MARCH 11, 2022

John Todd is general manager of Quad9 , a free “anycast” DNS platform. DNS stands for Domain Name System, which is like a globally distributed phone book for the Internet that maps human-friendly website names (example.com) to numeric Internet addresses (8.8.4.4.) that are easier for computers to manage.

DNS 273

DNS Internet Internet Phishing 273

Malwarebytes

MAY 10, 2022

On April 26th, we identified a suspicious email that targeted a government official from Jordan’s foreign ministry. After enabling the macro, the image is replaced with the Jordan government’s the coat of the arms: Figure 3: Excel doc after enabling the macro. Figure 1: Malicious email. Excel document. Figure 2: Excel doc.

Government 143

Government DNS Telecommunications Accountability 143

Krebs on Security

SEPTEMBER 16, 2021

Investigators say Downthem helped some 2,000 customers launch debilitating digital assaults at more than 200,000 targets, including many government, banking, university and gaming Web sites. In such assaults, the perpetrators leverage unmanaged Domain Name Servers (DNS) or other devices on the Web to create huge traffic floods.

DDOS 301

DDOS DNS Internet Internet 301

Security Affairs

JANUARY 23, 2019

DHS has issued a notice of a CISA emergency directive urging federal agencies of improving the security of government-managed domains (i.e.gov) to prevent DNS hijacking attacks. The notice was issued by the DHS and links the emergency directive Emergency Directive 19-01 titled “Mitigate DNS Infrastructure Tampering.”.

DNS 86

DNS Government Telecommunications Advertising 86

Dark Reading

JANUARY 23, 2019

All government domain owners are instructed to take immediate steps to strengthen the security of their DNS servers following a successful hacking campaign.

DNS 92

DNS Government Hacking 92

Threatpost

JANUARY 23, 2019

government agencies to prevent widespread DNS hijacking attacks. An emergency directive from the Department of Homeland Security provides "required actions" for U.S.

DNS 79

DNS Government Hacking 79

Security Affairs

APRIL 18, 2019

Iran-linked APT group OilRig is heavily leveraging on DNS tunneling for its cyber espionage campaigns, Palo Alto Networks reveals. Security researchers at Palo Alto Networks reported that Iran-linked APT group OilRig is heavily leveraging on DNS tunneling for its cyber espionage campaigns, Palo Alto Networks reveals.

DNS 82

DNS Malware Advertising Hacking 82

Threatpost

JULY 17, 2020

An emergency directive orders some federal agencies to apply Microsoft’s patch for a critical DNS vulnerability by Friday, July 17 at 2 p.m. (ET).

DNS 113

DNS Government Cybersecurity 113

Fox IT

AUGUST 11, 2022

A recently uncovered malware sample dubbed ‘Saitama’ was uncovered by security firm Malwarebytes in a weaponized document, possibly targeted towards the Jordan government. This Saitama implant uses DNS as its sole Command and Control channel and utilizes long sleep times and (sub)domain randomization to evade detection. Introduction.

DNS 66

DNS Engineering Malware Encryption 66

Security Affairs

JULY 14, 2019

The UK’s National Cyber Security Centre (NCSC) issued a security advisory to warn organizations of DNS hijacking attacks and provided recommendations this type of attack. In response to the numerous DNS hijacking attacks the UK’s National Cyber Security Centre (NCSC) issued an alert to warn organizations of this type of attack.

DNS 80

DNS Social Engineering Accountability Advertising 80

SecureList

DECEMBER 18, 2020

In the initial phases, the Sunburst malware talks to the C&C server by sending encoded DNS requests. These requests contain information about the infected computer; if the attackers deem it interesting enough, the DNS response includes a CNAME record pointing to a second level C&C server. avsvmcloud[.]com” avsvmcloud[.]com”

DNS 74

DNS Telecommunications Malware Encryption 74

Adam Levin

FEBRUARY 27, 2019

The infrastructure at the core of the internet is vulnerable to attack from state-sponsored hackers, its governing body warned. . DNS is the system through which online servers are routed to more user-friendly domain names. DNS is the system through which online servers are routed to more user-friendly domain names.

DNS 183

DNS Internet Internet Technology 183

Threatpost

DECEMBER 18, 2020

Examining the backdoor's DNS communications led researchers to find a government agency and a big U.S. telco that were flagged for further exploitation in the spy campaign.

DNS 127

DNS Government Malware Hacking 127

Security Affairs

MARCH 4, 2020

The restrictions were implemented for some 24 hours and the government removed them in the afternoon of March 3rd, 2010. “Network data confirm that the blocks are technically consistent with known techniques used to restrict online platforms in Iran, with SNI filtering and DNS poisoning in place to prevent the website from loading.”

Government 95

Government DNS Advertising Media 95

Krebs on Security

JUNE 14, 2022

.” In such assaults, the perpetrators leverage unmanaged Domain Name Servers (DNS) or other devices on the Web to create huge traffic floods. Ideally, DNS servers only provide services to machines within a trusted domain — such as translating an Internet address from a series of numbers into a domain name, like example.com.

DDOS 148

DDOS DNS Internet Internet 148

Troy Hunt

MARCH 1, 2018

And this is precisely why I'm writing this piece - to talk about how I'm assisting the UK and Australian governments with access to data about their own domains. Amongst those verified domain searches are government departments and they too are enormously varied; local councils, legal and health services, telecoms and infrastructure etc.

Government 188

Government Data breaches Passwords Authentication 188

Security Boulevard

MAY 8, 2024

The US Government issued an executive order which included zero trust models, and zero trust is gaining ground internationally as well, from the Middle East and Europe to Asia and Australia. CISA and the NSA call this Protective DNS and recommend it as part of the Shields Up initiative. That’s the role of Protective DNS.

DNS 65

DNS Cyber Insurance Internet Internet 65

Threatpost

APRIL 17, 2019

An ongoing campaign, active since 2017, has been stealing credentials via global DNS hijacking attacks.

DNS 66

DNS Government Hacking 66

Security Affairs

DECEMBER 3, 2023

The malware was used in attacks against multiple industries, including education, real estate, retail, non-profit organizations, telecom companies, and governments. The backdoor is written in.NET and leverages the domain name service (DNS) protocol to establish a covert communication channel with the command and control infrastructure.

Malware 127

Malware DNS Retail Education 127

Krebs on Security

JANUARY 22, 2019

Your Web browser knows how to find a Web site name like example.com thanks to the global Domain Name System (DNS), which serves as a kind of phone book for the Internet by translating human-friendly Web site names (example.com) into numeric Internet address that are easier for computers to manage. ” SAY WHAT? 13, 2018 bomb threat hoax.

DNS 235

DNS Internet Internet Computers and Electronics 235

CyberSecurity Insiders

MAY 18, 2022

In 2020, the SolarWinds supply chain attack opened backdoors into thousands of organizations (including government agencies) that used its services, while late last year, the far-reaching Log4J exploit exploded onto the scene. So why aren’t more organizations taking advantage of protective DNS? The issue likely comes down to awareness.

DNS 140

DNS Cybersecurity CISO Social Engineering 140

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.

DNS 88

DNS Internet Internet Encryption 88

Krebs on Security

DECEMBER 20, 2018

” Another important distinction between this week’s coordinated action and past booter site takedowns was that the government actually tested each service it dismantled to validate claims about attack firepower and to learn more about how each service conducted assaults. ” DOWN THEM ALL.

DNS 182

DNS Computers and Electronics Government Internet 182

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. Running a reverse DNS lookup on this 111.90.149[.]49 Image: Escrow.com.

Phishing 287

Phishing DNS Social Engineering Accountability 287

Security Affairs

MARCH 2, 2020

At the time of the report, the threat actor carried out a cyber espionage campaign by redirecting DNS traffic from domains owned by the Lebanon government to target entities in the country. The APT group made some changes in its technique, tactics, and procedures, but the target is the same, the Lebanon Government. Conclusions.

Government 77

Government Malware Advertising DNS 77

Krebs on Security

SEPTEMBER 1, 2023

government, which is frequently the target of phishing domains ending in.US. government overall, nor to the US public.” ” “We stand against DNS abuse in any form and maintain multiple systems and protocols to protect all the TLDs we operate,” the statement continued. This is noteworthy because.US

Phishing 232

Phishing Telecommunications Government DNS 232

Security Affairs

MARCH 2, 2020

At the time of the report, the threat actor carried out a cyber espionage campaign by redirecting DNS traffic from domains owned by the Lebanon government to target entities in the country. The APT group made some changes in its technique, tactics, and procedures, but the target is the same, the Lebanon Government. Conclusions.

Government 63

Government Malware Advertising DNS 63

Security Boulevard

JUNE 22, 2023

Securing SMB Success: The Indispensable Role of Protective DNS Cyber attacks pose as much risk to small and medium-sized businesses (SMBs) as they do to large organizations — if not more. Implementing a Domain Name Service (DNS) security solution is the most efficient way to protect your business against a wide variety of attacks.

DNS 59

DNS Small Business Cyber Attacks Antivirus 59

Dark Reading

SEPTEMBER 2, 2020

The US Department of Homeland Security teams up with Akamai and the Center for Internet Security to provide state and local governments with cybersecurity through DNS for free.

DNS 113

DNS Cybersecurity Internet Internet 113

Malwarebytes

APRIL 25, 2023

From there, further research identified a DNS signature not related to Pupy components. Infoblox claims that this unique DNS signature for Decoy Dog “ matches less than 0.0000027% of the 370 million active domains on the internet ” Pupy itself has been seen in numerous nation state attacks and other serious compromises.

DNS 68

DNS Mobile Malware Internet 68

Malwarebytes

APRIL 13, 2021

A set of vulnerabilities has been found in the way a number of popular TCP/IP stacks handle DNS requests. Yes, the researchers found 9 DNS-related vulnerabilities that have the potential to allow attackers to take targeted devices offline or to gain control over them. Basically, you could say DNS is the phonebook of the internet.

IoT 71

IoT DNS Internet Internet 71

CyberSecurity Insiders

JANUARY 26, 2022

As internet access and media publishing are strictly monitored by the government agencies, it seems to be unclear the impact of the digital damage. Note 1- Kim Jong Un, the supreme leader of North Korea, has an ambition to rule the entire world and so is planning to destroy other nations with Nuclear power.

Cyber Attacks 103

Cyber Attacks DDOS Internet Internet 103