In the paradigm of conventional warfare, the notion of whether a nation is under attack is often visibly clear – invasions, airstrikes, and naval blockades leave tangible evidence. However, in this age of information and technology, warfare has expanded into a new, invisible front – the cyberspace.

Many individuals often find themselves grappling with the question: “Is the USA under attack?” The answer may surprise many because it veers from the traditional understanding of what constitutes an ‘attack’. It’s not soldiers storming the beach or missiles raining from the sky – it’s bits and bytes, malicious software, lurking in the deep corridors of the cyberspace. Unseen, unheard, they are eating away at the foundations of nations. Yes, the USA is under attack, but not in a way most would expect.

Cyber warfare, the fifth domain of warfare, has rapidly emerged as the invisible front where nations, both allies and adversaries, engage each other in a perpetual dance of domination and defense. These ‘attacks’ are often hard to attribute, making it difficult to determine which actor or nation is responsible, hindering the process of holding perpetrators accountable.

Even as numerous attacks attempt to breach firewalls and cybersecurity systems, it’s important to understand the primary targets of these virtual offensives. The usual suspects include government agencies, infrastructure systems, corporations, and even individuals. These targets are chosen due to their pivotal role in the nation’s functioning, and a successful breach can cause considerable damage.

A key reference point on ‘cyber battles’ is the 2015 breach of the U.S. Office of Personnel Management, where records of over 21 million people were stolen. While it was not a conventional ‘attack’, it showed us the potential devastation cyber warfare could inflict upon a nation.

Given the persistent nature of these cyber threats, the role of cybersecurity specialists is of paramount importance. These experts play a critical role in defending this invisible front and safeguarding the nation’s virtual borders. They are our frontline soldiers in this unseen battle.

One such notable professional is a renowned cyber security consultant Sydney-based, who, in his years of service, has supported the USA’s cybersecurity apparatus in numerous capacities, helping counter these virtual threats. His work, among others in his field, has been crucial in enhancing security measures, detecting vulnerabilities, and responding to cyber breaches.

In conclusion, when posed with the question, “Is the USA under attack?”, we must adjust our understanding of what an ‘attack’ means in a globalized, interconnected world. The USA, along with other nations, is engaged in a perpetual battle in the cyberspace, facing endless virtual attacks from various actors seeking to dent its security, disrupt its systems, and diminish its power.

Overall, the security of a nation today does not only depend on the strength of its physical borders, but also on the resilience of its virtual defenses. It’s a transition from the age-old saying of ‘swords and shields’ to an era of ‘firewalls and encryptions’, where bytes are as deadly as bullets.