The private IP space defined by RFC 1918 contains almost 18 million IP addresses. A customer was interested in having me do host discovery on this entire space for their private IP space. This is interesting data for network owners because it: Increases awareness to the size of the network attack surface, such as the number of accessible hosts...

The FBI issued an alert to the healthcare industry warning of criminal actors actively targeting anonymous File Transfer Protocol (FTP) servers to access protected health information (PHI) and personally identifiable information (PII). According to the FBI’s Cyber Division, attackers are compromising such information from medical and dental entities...

"Covert Channel [Wikipedia]: a covert channel is a type of computer security attack that creates a capability to transfer information objects between processes that are not supposed to be allowed to communicate by the computer security policy." Today, in a world where the hacking techniques are getting more and more sophisticated and security...

This is my first blog in an ongoing “It’s Not Rocket Science” series featuring articles on Information security. "Security is not an absolute, it's a continuous process and should be managed as such. Security is about risk reduction, not risk elimination, and risk will never be zero. It's about employing the appropriate security controls that best...

Security is a complex and connected web. Though there are many different categories within the all-encompassing field of security, there are still certain lessons that translate across the disciplines. Physical security can largely be seen as a manifestation of the ethereal elements of cyber security. Both the digital and the physical worlds of...

The security community has seen multiple high-profile incidents targeting industrial control systems (ICS) over the past few years. No one can forget Christmas 2015, when a threat actor linked to the Russian government sent spear-phishing emails to the Western Ukrainian power company Prykarpattyaoblenergo. Those messages were laced with BlackEnergy,...

According to recent research, the majority of Android devices are running security patches that are months old, leaving users vulnerable to attacks. Mobile security company Skycure released the findings of its Q4 2016 Mobile Threat Intelligence Report, revealing that over 70 percent of Android phones lack the latest security patches. The company...

A pastry crimper is accused of swindling a retired divorcee out of £35,000 as part of a dating scam. Aysha Begum arriving outside Truro Crown Court. (Source: Cornwall Live) Authorities have accused 27-year-old Aysha Begum, of Hendra Road, St Dennis, St Austell of having spent £35,126.19 knowing that...

The Russian author of the notorious Citadel malware which infected over 11 million PCs and stole an astonishing $500 million from bank accounts has pleaded guilty to his crimes. 29-year-old Mark Vartanyan, who went by the online handle of "Kolypto", was arrested in the Norwegian town of Fredrikstad in 2015 at the request of the FBI. His extradition...

Cerber ransomware is infecting unsuspecting users via malspam emails sent out by the "Blank Slate" attack campaign. Blank Slate is known for sending out attack emails with two defining characteristics. First, the emails don't come with any message text. Second, they don't contain any information that gives away the nature of their attachments. Even...

As I discussed in a previous blog post, a key security control known as file integrity monitoring (FIM) helps organizations defend against digital threats by monitoring for unauthorized changes to their system state. But that's only half the battle. A change could be authorized but still create new security risk. Organizations need to watch for...

Just as traditional brick-and-mortar businesses are targeted by anarchists during protests or times of unrest, e-commerce businesses are targeted by cyber criminals, except they don’t wait for particular season or reason. Whether small, medium or large, every business is, sadly, at the mercy of hackers who will exploit every opportunity they get to...

A man used a business email compromise (BEC) scam to defraud two internet companies based in the United States out of 100 million dollars. On 21 March, the FBI along with the U.S. Attorney’s Office for the Southern District of New York announced criminal charges against Evaldas Rimasauskas, 48, of Vilnius, Lithuania. Lithuanian authorities arrested...

At some point in your career, you will make mistakes—small mistakes, big mistakes, even career-defining mistakes. I am writing this in retrospect because during the course of my job duties, I recently made a mistake. The details are irrelevant, but I wanted to share my experience with making mistakes in the professional world. Mistakes and human...

A new scam is capitalizing on reports of 'Celebgate 2.0' by making off with users' personal information and posting spam on Twitter. According to several media outlets, hackers have published the private photos of multiple female actresses including Emma Watson, Amanda Seyfried, Dylan Penn, and others. Some are calling these leaks "Celegate 2.0," a...

It's funny how kids have an affinity for toys we enjoyed as kids – like Legos. They will spend hours creating the biggest “thing,” often leading to a parent’s near universal response, “Johnny! That is the biggest tower I have ever seen! Great job!” Children (and we) love Legos because they foster imagination, offering a limitless way to create...

There are a variety of ways a company can experience cyber incidents, ranging from a distributed denial of service network attack to internal information theft. The first response is usually to enlist incident response professionals to resolve the issue as quickly and efficiently as possible. However, there are several factors companies should...

A Gmail phishing campaign is clever enough to have almost tricked or successfully fooled multiple technical users. The attack, which other contributors to The State of Security have spotted, begins when a Gmail user receives an email. Oftentimes, the message comes from someone they know whose account has already been compromised. The email appears...

It's now evident there are many more hacker intrusions during which security experts struggle to repel attackers and resolve damage than we first thought. The growing trends of sabotage, extortion, and disruption of both individual users and critical services have raised concerns about cybersecurity worldwide. Cybersecurity Threats Are a Leading...

Almost everything you read or hear about routers includes a sentence or two about router security. The focus is generally on this essential piece of hardware as the first line of defense in an internet-connected world. Many medium-sized companies and large corporations take this into account when they purchase and set up their network infrastructure...